Atmospheric Chemistry and Physics

Article	Citations
The acidity of atmospheric particles and clouds	289
Improved 1 km resolution PM<sub>2.5</sub> estimates across China using enhanced space–time extremely randomized trees	264
Increases in surface ozone pollution in China from 2013 to 2019: anthropogenic and meteorological influences	245
Long-term historical trends in air pollutant emissions in Asia: Regional Emission inventory in ASia (REAS) version 3	170
Worsening urban ozone pollution in China from 2013 to 2017 – Part 1: The complex and varying roles of meteorology	164
Worsening urban ozone pollution in China from 2013 to 2017 – Part 2: The effects of emission changes and implications for multi-pollutant control	155
Effective radiative forcing and adjustments in CMIP6 models	127
Effect of changing NO<sub><i>x</i></sub> lifetime on the seasonality and long-term trends of satellite-observed tropospheric NO<sub&g	119
Local and synoptic meteorological influences on daily variability in summertime surface ozone in eastern China	108
Molecular composition and photochemical lifetimes of brown carbon chromophores in biomass burning organic aerosol	101
Contribution of the world's main dust source regions to the global cycle of desert dust	99
Six global biomass burning emission datasets: intercomparison and application in one global aerosol model	99
Meteorology-normalized impact of the COVID-19 lockdown upon NO<sub>2</sub> pollution in Spain	98
Dynamic projection of anthropogenic emissions in China: methodology and 2015–2050 emission pathways under a range of socio-economic, climate policy, and pollution control scenarios	98
Molecular compositions and optical properties of dissolved brown carbon in biomass burning, coal combustion, and vehicle emission aerosols illuminated by excitation–emission matrix spectroscopy and Fo	93
Global inorganic nitrate production mechanisms: comparison of a global model with nitrate isotope observations	91
Complex refractive indices and single-scattering albedo of global dust aerosols in the shortwave spectrum and relationship to size and iron content	90
Formation mechanisms of atmospheric nitrate and sulfate during the winter haze pollution periods in Beijing: gas-phase, heterogeneous and aqueous-phase chemistry	88
Historical and future changes in air pollutants from CMIP6 models	87
COVID-19 lockdowns highlight a risk of increasing ozone pollution in European urban areas	83
Global impact of COVID-19 restrictions on the surface concentrations of nitrogen dioxide and ozone	81
Investigation of near-global daytime boundary layer height using high-resolution radiosondes: first results and comparison with ERA5, MERRA-2, JRA-55, and NCEP-2 reanalyses	81
An overview of the ORACLES (ObseRvations of Aerosols above CLouds and their intEractionS) project: aerosol–cloud–radiation interactions in the southeast Atlantic basin	80
Merging regional and global aerosol optical depth records from major available satellite products	79
OH chemistry of non-methane organic gases (NMOGs) emitted from laboratory and ambient biomass burning smoke: evaluating the influence of furans and oxygenated aromatics on ozone and secondary NMOG for	78

Separating emission and meteorological contributions to long-term PM<sub>2.5</sub> trends over eastern China during 2000–2018	78
AeroCom phase III multi-model evaluation of the aerosol life cycle and optical properties using ground- and space-based remote sensing as well as surface in situ observations	77
A typical weather pattern for ozone pollution events in North China	76
The control of anthropogenic emissions contributed to 80 % of the decrease in PM<sub>2.5</sub> concentrations in Beijing from 2013 to 2017	76
An evaluation of global organic aerosol schemes using airborne observations	75
Tropospheric ozone in CMIP6 simulations	75
Review of experimental studies of secondary ice production	74
Time-resolved emission reductions for atmospheric chemistry modelling in Europe during the COVID-19 lockdowns	74
Spatial and temporal changes of the ozone sensitivity in China based on satellite and ground-based observations	72
Himawari-8-derived diurnal variations in ground-level PM<sub>2.5</sub> pollution across China using the fast space-time Light Gradient Boosting Machine (LightGBM)	72
Retrieval of aerosol components directly from satellite and ground-based measurements	71
The unprecedented 2017–2018 stratospheric smoke event: decay phase and aerosol properties observed with the EARLINET	69
Ozone pollution over China and India: seasonality and sources	68
Multi-generation OH oxidation as a source for highly oxygenated organic molecules from aromatics	68
The significant impact of aerosol vertical structure on lower atmosphere stability and its critical role in aerosol–planetary boundary layer (PBL) interactions	66
Hadley cell expansion in CMIP6 models	65
A microphysics guide to cirrus – Part 2: Climatologies of clouds and humidity from observations	64
Opinion: Cloud-phase climate feedback and the importance of ice-nucleating particles	64
On the climate sensitivity and historical warming evolution in recent coupled model ensembles	63
Coarse and giant particles are ubiquitous in Saharan dust export regions and are radiatively significant over the Sahara	63
Remote sensing of methane leakage from natural gas and petroleum systems revisited	62
Mutual promotion between aerosol particle liquid water and particulate nitrate enhancement leads to severe nitrate-dominated particulate matter pollution and low visibility	62
Aerosol pH and liquid water content determine when particulate matter is sensitive to ammonia and nitrate availability	61
H migration in peroxy radicals under atmospheric conditions	61
Observationally constrained modeling of atmospheric oxidation capacity and photochemical reactivity in Shanghai, China	61
Sources of volatile organic compounds and policy implications for regional ozone pollution control in an urban location of Nanjing, East China	60
Peroxy radical chemistry and the volatility basis set	59
How emissions uncertainty influences the distribution and radiative impacts of smoke from fires in North America	59
Nitrate-dominated PM<sub>2.5</sub> and elevation of particle pH observed in urban Beijing during the winter of 2017	59
Sulfuric acid–amine nucleation in urban Beijing	59
Smoke of extreme Australian bushfires observed in the stratosphere over Punta Arenas, Chile, in January 2020: optical thickness, lidar ratios, and depolarization ratios at 355 and 532 nm	58
Attribution of the accelerating increase in atmospheric methane during 2010–2018 by inverse analysis of GOSAT observations	57
Biomass-burning-derived particles from a wide variety of fuels – Part 1: Properties of primary particles	56
A new look at the environmental conditions favorable to secondary ice production	55
Modeling the global radiative effect of brown carbon: a potentially larger heating source in the tropical free troposphere than black carbon	55
Assessment of natural and anthropogenic aerosol air pollution in the Middle East using MERRA-2, CAMS data assimilation products, and high-resolution WRF-Chem model simulations	55
Stratospheric aerosol layer perturbation caused by the 2019 Raikoke and Ulawun eruptions and their radiative forcing	55
Rapid increase in summer surface ozone over the North China Plain during 2013–2019: a side effect of particulate matter reduction control?	54
An increase in methane emissions from tropical Africa between 2010 and 2016 inferred from satellite data	54
Effective radiative forcing from emissions of reactive gases and aerosols – a multi-model comparison	54
Objective evaluation of surface- and satellite-driven carbon dioxide atmospheric inversions	54
Quantifying the emission changes and associated air quality impacts during the COVID-19 pandemic on the North China Plain: a response modeling study	54
Improved representation of the global dust cycle using observational constraints on dust properties and abundance	54
Elevated levels of OH observed in haze events during wintertime in central Beijing	53
Evaluating the sensitivity of radical chemistry and ozone formation to ambient VOCs and NO<sub><i>x</i></sub> in Beijing	53
Quantifying the impact of synoptic circulation patterns on ozone variability in northern China from April to October 2013–2017	53
First direct observation of sea salt aerosol production from blowing snow above sea ice	53
Observing carbon dioxide emissions over China's cities and industrial areas with the Orbiting Carbon Observatory-2	53
UK surface NO<sub>2</sub> levels dropped by 42 % during the COVID-19 lockdown: impact on surface O<sub>3</sub>	53
Characterization of organic aerosol across the global remote troposphere: a comparison of ATom measurements and global chemistry models	53

Molecular understanding of new-particle formation from <i>α</i>-pinene between −50 and +25 °C	53
Secondary organic aerosols from anthropogenic volatile organic compounds contribute substantially to air pollution mortality	52
Concurrent variation in oil and gas methane emissions and oil price during the COVID-19 pandemic	51
Emission inventory of air pollutants and chemical speciation for specific anthropogenic sources based on local measurements in the Yangtze River Delta region, China	51
The CLoud–Aerosol–Radiation Interaction and Forcing: Year 2017 (CLARIFY-2017) measurement campaign	49
Estimating lockdown-induced European NO<sub>2</sub> changes using satellite and surface observations and air quality models	49
Acidity and the multiphase chemistry of atmospheric aqueous particles and clouds	48
Exploring wintertime regional haze in northeast China: role of coal and biomass burning	48
Uncertainties in the Emissions Database for Global Atmospheric Research (EDGAR) emission inventory of greenhouse gases	48
Summertime and wintertime atmospheric processes of secondary aerosol in Beijing	48
Volatile organic compounds and ozone air pollution in an oil production region in northern China	48
Impact of biomass burning aerosols on radiation, clouds, and precipitation over the Amazon: relative importance of aerosol–cloud and aerosol–radiation interactions	48
Evaluating stratospheric ozone and water vapour changes in CMIP6 models from 1850 to 2100	47
Enhanced growth rate of atmospheric particles from sulfuric acid	47
Carbon and air pollutant emissions from China's cement industry 1990–2015: trends, evolution of technologies, and drivers	47
Accelerated increases in global and Asian summer monsoon precipitation from future aerosol reductions	47
Evaluated kinetic and photochemical data for atmospheric chemistry: Volume VII – Criegee intermediates	47
Measurement report: Important contributions of oxygenated compounds to emissions and chemistry of volatile organic compounds in urban air	46
Global tropospheric halogen (Cl, Br, I) chemistry and its impact on oxidants	46
Temperature and tropopause characteristics from reanalyses data in the tropical tropopause layer	46
Mitigation of PM<sub>2.5</sub> and ozone pollution in Delhi: a sensitivity study during the pre-monsoon period	46
The characteristics of atmospheric brown carbon in Xi'an, inland China: sources, size distributions and optical properties	45
Climate consequences of hydrogen emissions	45
Modulation of radiative aerosols effects by atmospheric circulation over the Euro-Mediterranean region	45
Global distribution of methane emissions: a comparative inverse analysis of observations from the TROPOMI and GOSAT satellite instruments	45
Comparative assessment of TROPOMI and OMI formaldehyde observations and validation against MAX-DOAS network column measurements	44
Spatiotemporal variation, sources, and secondary transformation potential of volatile organic compounds in Xi'an, China	44
Characterization of the light-absorbing properties, chromophore composition and sources of brown carbon aerosol in Xi'an, northwestern China	44
The global dust cycle and uncertainty in CMIP5 (Coupled Model Intercomparison Project phase 5) models	44
Global methane budget and trend, 2010–2017: complementarity of inverse analyses using in situ (GLOBALVIEWplus CH<sub>4</sub> ObsPack) and satellite (GOSAT) observations	44
Inter-model comparison of global hydroxyl radical (OH) distributions and their impact on atmospheric methane over the 2000–2016 period	44
Sensitivity analysis of the surface ozone and fine particulate matter to meteorological parameters in China	44
Transport of the 2017 Canadian wildfire plume to the tropics via the Asian monsoon circulation	43
MICS-Asia III: overview of model intercomparison and evaluation of acid deposition over Asia	43
The increasing atmospheric burden of the greenhouse gas sulfur hexafluoride (SF<sub>6</sub>)	43
Advances in air quality research – current and emerging challenges	43
Particle aging and aerosol–radiation interaction affect volcanic plume dispersion: evidence from the Raikoke 2019 eruption	43
Six-year source apportionment of submicron organic aerosols from near-continuous highly time-resolved measurements at SIRTA (Paris area, France)	43
China's emission control strategies have suppressed unfavorable influences of climate on wintertime PM<sub>2.5</sub> concentrations in Beijing since 2002	43
Variation of size-segregated particle number concentrations in wintertime Beijing	43
Rapid evolution of aerosol particles and their optical properties downwind of wildfires in the western US	42
Distinct diurnal variation in organic aerosol hygroscopicity and its relationship with oxygenated organic aerosol	42
Trends in global tropospheric hydroxyl radical and methane lifetime since 1850 from AerChemMIP	42
The impact of biomass burning and aqueous-phase processing on air quality: a multi-year source apportionment study in the Po Valley, Italy	42
Mechanistic study of the formation of ring-retaining and ring-opening products from the oxidation of aromatic compounds under urban atmospheric conditions	42
Development of ozone reactivity scales for volatile organic compounds in a Chinese megacity	41
Predictions of the glass transition temperature and viscosity of organic aerosols from volatility distributions	41
Modeling dust sources, transport, and radiative effects at different altitudes over the Tibetan Plateau	41
Multidecadal trend analysis of in situ aerosol radiative properties around the world	41
Ammonia measurements from space with the Cross-track Infrared Sounder: characteristics and applications	41
Ambient nitro-aromatic compounds – biomass burning versus secondary formation in rural China	41
Decadal changes in anthropogenic source contribution of PM<sub>2.5</sub> pollution and related health impacts in China, 1990–2015	41
Composition and mass size distribution of nitrated and oxygenated aromatic compounds in ambient particulate matter from southern and central Europe – implications for the origin	40
Quantifying the range of the dust direct radiative effect due to source mineralogy uncertainty	40
The evolutionary behavior of chromophoric brown carbon during ozone aging of fine particles from biomass burning	40
The nitrogen budget of laboratory-simulated western US wildfires during the FIREX 2016 Fire Lab study	40
Comprehensive analyses of source sensitivities and apportionments of PM<sub>2.5</sub> and ozone over Japan via multiple numerical techniques	40
Direct and semi-direct radiative forcing of biomass-burning aerosols over the southeast Atlantic (SEA) and its sensitivity to absorbing properties: a regional climate modeling study	40
Biomass-burning-derived particles from a wide variety of fuels – Part 2: Effects of photochemical aging on particle optical and chemical properties	40
Exploring the drivers of the increased ozone production in Beijing in summertime during 2005–2016	40
Sources and atmospheric dynamics of organic aerosol in New Delhi, India: insights from receptor modeling	39
Heterogeneous formation of particulate nitrate under ammonium-rich regimes during the high-PM<sub>2.5</sub> events in Nanjing, China	39
Molecular understanding of the suppression of new-particle formation by isoprene	39
Recommendations on benchmarks for numerical air quality model applications in China – Part 1: PM<sub>2.5</sub> and chemical species	39
Quantifying methane emissions from the global scale down to point sources using satellite observations of atmospheric methane	39
Aerosol pH and chemical regimes of sulfate formation in aerosol water during winter haze in the North China Plain	39
Heavy air pollution with a unique “non-stagnant” atmospheric boundary layer in the Yangtze River middle basin aggravated by regional transport of PM<sub>2.5</sub> over Chin	39
Predicting secondary organic aerosol phase state and viscosity and its effect on multiphase chemistry in a regional-scale air quality model	39
Measurement report: Distinct emissions and volatility distribution of intermediate-volatility organic compounds from on-road Chinese gasoline vehicles: implication of high secondary organic aerosol fo	39
Anthropogenic aerosol forcing under the Shared Socioeconomic Pathways	39
The impact of secondary ice production on Arctic stratocumulus	39
Comprehensive isoprene and terpene gas-phase chemistry improves simulated surface ozone in the southeastern US	38
Chemical characterization of secondary organic aerosol at a rural site in the southeastern US: insights from simultaneous high-resolution time-of-flight aerosol mass spectrometer (HR-ToF-AMS) and FIGA	38
Effects of global ship emissions on European air pollution levels	38
Optical properties and molecular compositions of water-soluble and water-insoluble brown carbon (BrC) aerosols in northwest China	38
Technical note: First comparison of wind observations from ESA's satellite mission Aeolus and ground-based radar wind profiler network of China	38
Impacts of the COVID-19 lockdown on air pollution at regional and urban background sites in northern Italy	38
Simulation of organic aerosol formation during the CalNex study: updated mobile emissions and secondary organic aerosol parameterization for intermediate-volatility organic compounds	38
Improving the prediction of an atmospheric chemistry transport model using gradient-boosted regression trees	37
Source apportionment of volatile organic compounds in the northwest Indo-Gangetic Plain using a positive matrix factorization model	37

Importance of isomerization reactions for OH radical regeneration from the photo-oxidation of isoprene investigated in the atmospheric simulation chamber SAPHIR	37
Opportunistic experiments to constrain aerosol effective radiative forcing	37
Ambient air quality in the Kathmandu Valley, Nepal, during the pre-monsoon: concentrations and sources of particulate matter and trace gases	37
Understanding processes that control dust spatial distributions with global climate models and satellite observations	37
Unexpected long-range transport of glyoxal and formaldehyde observed from the Copernicus Sentinel-5 Precursor satellite during the 2018 Canadian wildfires	37
Biomass burning aerosol as a modulator of the droplet number in the southeast Atlantic region	37
Ice-nucleating particle versus ice crystal number concentrationin altocumulus and cirrus layers embedded in Saharan dust:a closure study	37
Source characterization of volatile organic compounds measured by proton-transfer-reaction time-of-flight mass spectrometers in Delhi, India	37
Evaluation of a multi-model, multi-constituent assimilation framework for tropospheric chemical reanalysis	36
2010–2015 North American methane emissions, sectoral contributions, and trends: a high-resolution inversion of GOSAT observations of atmospheric methane	36
Rapid reduction in black carbon emissions from China: evidence from 2009–2019 observations on Fukue Island, Japan	36
Dominant patterns of summer ozone pollution in eastern China and associated atmospheric circulations	36
The mechanisms and seasonal differences of the impact of aerosols on daytime surface urban heat island effect	36
High-resolution vertical distribution and sources of HONO and NO<sub>2</sub> in the nocturnal boundary layer in urban Beijing, China	36
Changes in black carbon emissions over Europe due to COVID-19 lockdowns	36
Evaluation and uncertainty investigation of the NO<sub>2</sub>, CO and NH<sub>3</sub> modeling over China under the framework of MICS-Asia III	36
Constraining the Twomey effect from satellite observations: issues and perspectives	36
Characterization of aerosol particles at Cabo Verde close to sea level and at the cloud level – Part 2: Ice-nucleating particles in air, cloud and seawater	36
Ground-level gaseous pollutants (NO2, SO2, and CO) in China: daily seamless mapping and spatiotemporal variations	35
Large contributions of biogenic and anthropogenic sources to fine organic aerosols in Tianjin, North China	35
Net ozone production and its relationship to nitrogen oxides and volatile organic compounds in the marine boundary layer around the Arabian Peninsula	35
Terpenes and their oxidation products in the French Landes forest: insights from Vocus PTR-TOF measurements	35
Evidence for impacts on surface-level air quality in the northeastern US from long-distance transport of smoke from North American fires during the Long Island Sound Tropospheric Ozone Study (LISTOS)	35
COVID-19 lockdown-induced changes in NO<sub>2</sub> levels across India observed by multi-satellite and surface observations	35
Anthropogenic and volcanic point source SO<sub>2</sub> emissions derived from TROPOMI on board Sentinel-5 Precursor: first results	35
Constraining global aerosol emissions using POLDER/PARASOL satellite remote sensing observations	35
Reactive organic carbon emissions from volatile chemical products	35
Distinct impacts on precipitation by aerosol radiative effect over three different megacity regions of eastern China	35
Source attribution of Arctic black carbon and sulfate aerosols and associated Arctic surface warming during 1980–2018	35
Integrated impacts of synoptic forcing and aerosol radiative effect on boundary layer and pollution in the Beijing–Tianjin–Hebei region, China	34
Organic aerosol source apportionment in Zurich using an extractive electrospray ionization time-of-flight mass spectrometer (EESI-TOF-MS) – Part 1: Biogenic influences and day–night chemistry in sum	34
Size-segregated particle number and mass concentrations from different emission sources in urban Beijing	34
Spatiotemporal variation of aerosol and potential long-range transport impact over the Tibetan Plateau, China	34
Four years of global carbon cycle observed from the Orbiting Carbon Observatory 2 (OCO-2) version 9 and in situ data and comparison to OCO-2 version 7	34
Source apportionment of PM<sub>2.5</sub> in Shanghai based on hourly organic molecular markers and other source tracers	34
How well do the CMIP6 models simulate dust aerosols?	34
Impact of NO<sub><i>x</i></sub> on secondary organic aerosol (SOA) formation from <i>α</i>-pinene and <i&	34
Pan-Arctic seasonal cycles and long-term trends of aerosol properties from 10 observatories	33
Experimental investigation into the volatilities of highly oxygenated organic molecules (HOMs)	33
A predictive group-contribution model for the viscosity of aqueous organic aerosol	33
Surprising similarities in model and observational aerosol radiative forcing estimates	33
Evaluation of climate model aerosol trends with ground-based observations over the last 2 decades – an AeroCom and CMIP6 analysis	33
Meteorology-driven variability of air pollution (PM<sub>1</sub>) revealed with explainable machine learning	33
Source apportionment of highly time-resolved elements during a firework episode from a rural freeway site in Switzerland	33
Characterization and comparison of PM<sub>2.5</sub> oxidative potential assessed by two acellular assays	32
Effect of NO<sub><i>x</i></sub> on 1,3,5-trimethylbenzene (TMB) oxidation product distribution and particle formation	32
Amplification of black carbon light absorption induced by atmospheric aging: temporal variation at seasonal and diel scales in urban Guangzhou	32
Linkage between dust cycle and loess of the Last Glacial Maximum in Europe	32
The 2019 Raikoke volcanic eruption – Part 1: Dispersion model simulations and satellite retrievals of volcanic sulfur dioxide	32
Influence of vessel characteristics and atmospheric processes on the gas and particle phase of ship emission plumes: in situ measurements in the Mediterranean Sea and around the Arabian Peninsula	32
Inconsistencies between chemistry–climate models and observed lower stratospheric ozone trends since 1998	32
Ship-based measurements of ice nuclei concentrations over the Arctic, Atlantic, Pacific and Southern oceans	32
Sources and sinks driving sulfuric acid concentrations in contrasting environments: implications on proxy calculations	32
Seasonal contrast in size distributions and mixing state of black carbon and its association with PM<sub>1.0</sub> chemical composition from the eastern coast of India	32
Characterization of submicron particles by time-of-flight aerosol chemical speciation monitor (ToF-ACSM) during wintertime: aerosol composition, sources, and chemical processes in Guangzhou, China	32
Mixing characteristics of refractory black carbon aerosols at an urban site in Beijing	32
Sea spray aerosol organic enrichment, water uptake and surface tension effects	32
Identifying the sources of uncertainty in climate model simulations of solar radiation modification with the G6sulfur and G6solar Geoengineering Model Intercomparison Project (GeoMIP) simulations	32
Characterizing the spatiotemporal nitrogen stable isotopic composition of ammonia in vehicle plumes	32
Influx of African biomass burning aerosol during the Amazonian dry season through layered transatlantic transport of black carbon-rich smoke	31
Organosulfates in atmospheric aerosols in Shanghai, China: seasonal and interannual variability, origin, and formation mechanisms	31
An AeroCom–AeroSat study: intercomparison of satellite AOD datasets for aerosol model evaluation	31
Tropospheric and stratospheric wildfire smoke profiling with lidar: mass, surface area, CCN, and INP retrieval	31
A methodology to constrain carbon dioxide emissions from coal-fired power plants using satellite observations of co-emitted nitrogen dioxide	31
Investigation and amelioration of long-term instrumental drifts in water vapor and nitrous oxide measurements from the Aura Microwave Limb Sounder (MLS) and their implications for studies of variabili	31
The influence of residential wood combustion on the concentrations of PM<sub>2.5</sub> in four Nordic cities	31
Chemical characterization of oxygenated organic compounds in the gas phase and particle phase using iodide CIMS with FIGAERO in urban air	31
Model physics and chemistry causing intermodel disagreement within the VolMIP-Tambora Interactive Stratospheric Aerosol ensemble	31
The promotion effect of nitrous acid on aerosol formation in wintertime in Beijing: the possible contribution of traffic-related emissions	31
Significant contribution of organics to aerosol liquid water content in winter in Beijing, China	31
Evaluating China's fossil-fuel CO<sub>2</sub> emissions from a comprehensive dataset of nine inventories	31
Uncertainty analysis of a European high-resolution emission inventory of CO<sub>2</sub> and CO to support inverse modelling and network design	31
Technical note: Fundamental aspects of ice nucleation via pore condensation and freezing including Laplace pressure and growth into macroscopic ice	31
Effects of water-soluble organic carbon on aerosol pH	31
Global sensitivity analysis of chemistry–climate model budgets of tropospheric ozone and OH: exploring model diversity	31
Developing a novel hybrid model for the estimation of surface 8 h ozone (O<sub>3</sub>) across the remote Tibetan Plateau during 2005–2018	30
Correcting model biases of CO in East Asia: impact on oxidant distributions during KORUS-AQ	30
Climate-driven chemistry and aerosol feedbacks in CMIP6 Earth system models	30
Strong anthropogenic control of secondary organic aerosol formation from isoprene in Beijing	30
Record low ozone values over the Arctic in boreal spring 2020	30
Modeling diurnal variation of surface PM<sub>2.5</sub> concentrations over East China with WRF-Chem: impacts from boundary-layer mixing and anthropogenic emission	30
Dehydration and low ozone in the tropopause layer over the Asian monsoon caused by tropical cyclones: Lagrangian transport calculations using ERA-Interim and ERA5 reanalysis data	30
Evaluation and intercomparison of wildfire smoke forecasts from multiple modeling systems for the 2019 Williams Flats fire	30
Rapid formation of intense haze episodes via aerosol–boundary layer feedback in Beijing	30
Impact of anthropogenic emissions on biogenic secondary organic aerosol: observation in the Pearl River Delta, southern China	30
Sulfate formation during heavy winter haze events and the potential contribution from heterogeneous SO<sub>2</sub> + NO<sub>2</sub> reactions in	30
Effects of atmospheric circulations on the interannual variation in PM<sub>2.5</sub> concentrations over the Beijing–Tianjin–Hebei region in 2013–2018	30
Contrasting sources and processes of particulate species in haze days with low and high relative humidity in wintertime Beijing	30
Constraining remote oxidation capacity with ATom observations	30
Nighttime and daytime dark oxidation chemistry in wildfire plumes: an observation and model analysis of FIREX-AQ aircraft data	30
What have we missed when studying the impact of aerosols on surface ozone via changing photolysis rates?	30
Interannual variability and trends of combustion aerosol and dust in major continental outflows revealed by MODIS retrievals and CAM5 simulations during 2003–2017	30
Modeling the smoky troposphere of the southeast Atlantic: a comparison to ORACLES airborne observations from September of 2016	29
Optical properties of Central Asian aerosol relevant for spaceborne lidar applications and aerosol typing at 355 and 532 nm	29
Measurements of traffic-dominated pollutant emissions in a Chinese megacity	29
Profiles of cloud condensation nuclei, dust mass concentration, and ice-nucleating-particle-relevant aerosol properties in the Saharan Air Layer over Barbados from polarization lidar and airborne in s	29
Spatiotemporal variation and trends in equivalent black carbon in the Helsinki metropolitan area in Finland	29
Temporal and spatial analysis of ozone concentrations in Europe based on timescale decomposition and a multi-clustering approach	29
The ice-nucleating activity of Arctic sea surface microlayer samples and marine algal cultures	29
A long-term estimation of biogenic volatile organic compound (BVOC) emission in China from 2001–2016: the roles of land cover change and climate variability	29
Sources of nitrous acid (HONO) in the upper boundary layer and lower free troposphere of the North China Plain: insights from the Mount Tai Observatory	29
Evaluation of the chemical composition of gas- and particle-phase products of aromatic oxidation	29
Scattered coal is the largest source of ambient volatile organic compounds during the heating season in Beijing	29
Estimating CH<sub>4</sub>, CO<sub>2</sub> and CO emissions from coal mining and industrial activities in the Upper Silesian Coal Basin using an	29
Development and application of observable response indicators for design of an effective ozone and fine-particle pollution control strategy in China	29
Aerosol characteristics at the three poles of the Earth as characterized by Cloud–Aerosol Lidar and Infrared Pathfinder Satellite Observations	29
Large-scale synoptic drivers of co-occurring summertime ozone and PM<sub>2.5</sub> pollution in eastern China	28
A comparison of PM<sub>2.5</sub>-bound polycyclic aromatic hydrocarbons in summer Beijing (China) and Delhi (India)	28
The characterization of Taklamakan dust properties using a multiwavelength Raman polarization lidar in Kashi, China	28
Effects of marine organic aerosols as sources of immersion-mode ice-nucleating particles on high-latitude mixed-phase clouds	28
The combined effect of two westerly jet waveguides on heavy haze in the North China Plain in November and December 2015	28
Three-dimensional climatology, trends, and meteorological drivers of global and regional tropospheric type-dependent aerosols: insights from 13 years (2007–2019) of CALIOP observations	28
The regional European atmospheric transport inversion comparison, EUROCOM: first results on European-wide terrestrial carbon fluxes for the period 2006–2015	28
The sensitivity of Southern Ocean aerosols and cloud microphysics to sea spray and sulfate aerosol production in the HadGEM3-GA7.1 chemistry–climate model	28
Measurement report: Cloud processes and the transport of biological emissions affect southern ocean particle and cloud condensation nuclei concentrations	28
Contribution of hydroxymethanesulfonate (HMS) to severe winter haze in the North China Plain	28
Record-breaking dust loading during two mega dust storm events over northern China in March 2021: aerosol optical and radiative properties and meteorological drivers	28
Long-term trend of ozone pollution in China during 2014–2020: distinct seasonal and spatial characteristics and ozone sensitivity	28
The changing role of organic nitrates in the removal and transport of NO<sub><i>x</i></sub>	28
Dramatic increase in reactive volatile organic compound (VOC) emissions from ships at berth after implementing the fuel switch policy in the Pearl River Delta Emission Control Area	27
The diurnal cycle of the smoky marine boundary layer observed during August in the remote southeast Atlantic	27
Composition and volatility of secondary organic aerosol (SOA) formed from oxidation of real tree emissions compared to simplified volatile organic compound (VOC) systems	27
The long-term transport and radiative impacts of the 2017 British Columbia pyrocumulonimbus smoke aerosols in the stratosphere	27
Surveillance of SO<sub>2</sub> and NO<sub>2</sub> from ship emissions by MAX-DOAS measurements and the implications regarding fuel sulfur conten	27
The impact of ship emissions on air quality and human health in the Gothenburg area – Part 1: 2012 emissions	27
Street-scale air quality modelling for Beijing during a winter 2016 measurement campaign	27
Regional sources of airborne ultrafine particle number and mass concentrations in California	27
Wildfire smoke, Arctic haze, and aerosol effects on mixed-phase and cirrus clouds over the North Pole region during MOSAiC: an introduction	27
Fundamentals of data assimilation applied to biogeochemistry	27
Secondary ice production in summer clouds over the Antarctic coast: an underappreciated process in atmospheric models	27
The unexpected smoke layer in the High Arctic winter stratosphere during MOSAiC 2019–2020	27
Characterization of carbonaceous aerosols in Singapore: insight from black carbon fragments and trace metal ions detected by a soot particle aerosol mass spectrometer	27
Particle number concentrations and size distribution in a polluted megacity: the Delhi Aerosol Supersite study	27
Seasonality of the particle number concentration and size distribution: a global analysis retrieved from the network of Global Atmosphere Watch (GAW) near-surface observatories	27
The seasonal cycle of ice-nucleating particles linked to the abundance of biogenic aerosol in boreal forests	27
Mobile monitoring of urban air quality at high spatial resolution by low-cost sensors: impacts of COVID-19 pandemic lockdown	27
Atmospheric conditions and composition that influence PM<sub>2.5</sub> oxidative potential in Beijing, China	27
Heterogeneous N<sub>2</sub>O<sub>5</sub> reactions on atmospheric aerosols at four Chinese sites: improving model representation of uptake param	27
Enhanced summertime ozone and SOA from biogenic volatile organic compound (BVOC) emissions due to vegetation biomass variability during 1981–2018 in China	27
Vertical variability of the properties of highly aged biomass burning aerosol transported over the southeast Atlantic during CLARIFY-2017	27
Contrasting size-resolved hygroscopicity of fine particles derived by HTDMA and HR-ToF-AMS measurements between summer and winter in Beijing: the impacts of aerosol aging and local emissions	27
Highly oxygenated organic molecule (HOM) formation in the isoprene oxidation by NO<sub>3</sub> radical	26
Exploring the inconsistent variations in atmospheric primary and secondary pollutants during the 2016 G20 summit in Hangzhou, China: implications from observations and models	26
How should we aggregate data? Methods accounting for the numerical distributions, with an assessment of aerosol optical depth	26
Air mass physiochemical characteristics over New Delhi: impacts on aerosol hygroscopicity and cloud condensation nuclei (CCN) formation	26

Diurnal cycle of the semi-direct effect from a persistent absorbing aerosol layer over marine stratocumulus in large-eddy simulations	26
Traffic-originated nanocluster emission exceeds H<sub>2</sub>SO<sub>4</sub>-driven photochemical new particle formation in an urban area	26
Nitrous acid (HONO) emissions under real-world driving conditions from vehicles in a UK road tunnel	26
Cloud condensation nuclei properties of South Asian outflow over the northern Indian Ocean during winter	26
Long-term multi-source data analysis about the characteristics of aerosol optical properties and types over Australia	26
Aqueous secondary organic aerosol formation from the direct photosensitized oxidation of vanillin in the absence and presence of ammonium nitrate	26
Long-lived high-frequency gravity waves in the atmospheric boundary layer: observations and simulations	26
Emissions of non-methane volatile organic compounds from combustion of domestic fuels in Delhi, India	26
Composition and variability of gaseous organic pollution in the port megacity of Istanbul: source attribution, emission ratios, and inventory evaluation	26
Emissions of intermediate-volatility and semi-volatile organic compounds from domestic fuels used in Delhi, India	26
Evaluated kinetic and photochemical data for atmospheric chemistry: volume VIII – gas-phase reactions of organic species with four, or more, carbon atoms ( ≥  C<sub>4</sub>	26
Reassessment of shortwave surface cloud radiative forcing in the Arctic: consideration of surface-albedo–cloud interactions	26
An observational study of the effects of aerosols on diurnal variation of heavy rainfall and associated clouds over Beijing–Tianjin–Hebei	26
Effect of ammonia on fine-particle pH in agricultural regions of China: comparison between urban and rural sites	26
Observations of highly oxidized molecules and particle nucleation in the atmosphere of Beijing	26
Predominance of secondary organic aerosol to particle-bound reactive oxygen species activity in fine ambient aerosol	26
Insight into PM<sub>2.5</sub> sources by applying positive matrix factorization (PMF) at urban and rural sites of Beijing	26
Volatile organic compound fluxes in a subarctic peatland and lake	26
The absorption Ångstrom exponent of black carbon with brown coatings: effects of aerosol microphysics and parameterization	26
Sources of organic aerosols in Europe: a modeling study using CAMx with modified volatility basis set scheme	26
Inverse modelling of carbonyl sulfide: implementation, evaluation and implications for the global budget	26
Polycyclic aromatic hydrocarbons (PAHs) and oxy- and nitro-PAHs in ambient air of the Arctic town Longyearbyen, Svalbard	26
An inversion of NO<sub><i>x</i></sub> and non-methane volatile organic compound (NMVOC) emissions using satellite observations during the KORUS-	26
Global modeling of cloud water acidity, precipitation acidity, and acid inputs to ecosystems	26
Influences of oceanic ozone deposition on tropospheric photochemistry	26
Atmospheric oxidation capacity and ozone pollution mechanism in a coastal city of southeastern China: analysis of a typical photochemical episode by an observation-based model	25
Sudden changes in nitrogen dioxide emissions over Greece due to lockdown after the outbreak of COVID-19	25
Global total ozone recovery trends attributed to ozone-depleting substance (ODS) changes derived from five merged ozone datasets	25
Magnitude, trends, and impacts of ambient long-term ozone exposure in the United States from 2000 to 2015	25
Transformation and ageing of biomass burning carbonaceous aerosol over tropical South America from aircraft in situ measurements during SAMBBA	25
Optical and geometrical aerosol particle properties over the United Arab Emirates	25
Formation and sink of glyoxal and methylglyoxal in a polluted subtropical environment: observation-based photochemical analysis and impact evaluation	25
Low-level mixed-phase clouds in a complex Arctic environment	25
Investigation of the global methane budget over 1980–2017 using GFDL-AM4.1	25
Importance of gas-particle partitioning of ammonia in haze formation in the rural agricultural environment	25
Remote biomass burning dominates southern West African air pollution during the monsoon	25
Exploring dimethyl sulfide (DMS) oxidation and implications for global aerosol radiative forcing	25
Overview of aerosol optical properties over southern West Africa from DACCIWA aircraft measurements	25
Haze pollution under a high atmospheric oxidization capacity in summer in Beijing: insights into formation mechanism of atmospheric physicochemical processes	25
Molecular insights into new particle formation in Barcelona, Spain	25
Decreasing trends of particle number and black carbon mass concentrations at 16 observational sites in Germany from 2009 to 2018	25
Atmospheric mercury deposition over the land surfaces and the associated uncertainties in observations and simulations: a critical review	25
Urbanization-induced land and aerosol impacts on sea-breeze circulation and convective precipitation	25
New evidence for atmospheric mercury transformations in the marine boundary layer from stable mercury isotopes	25
Different strategies to retrieve aerosol properties at night-time with the GRASP algorithm	25
Absorption closure in highly aged biomass burning smoke	25
Newly identified climatically and environmentally significant high-latitude dust sources	25
Elucidating the pollution characteristics of nitrate, sulfate and ammonium in PM<sub>2.5</sub> in Chengdu, southwest China, based on 3-year measurements	25
Global dust optical depth climatology derived from CALIOP and MODIS aerosol retrievals on decadal timescales: regional and interannual variability	25
Multi-method determination of the below-cloud wet scavenging coefficients of aerosols in Beijing, China	25
Climate and air quality impacts due to mitigation of non-methane near-term climate forcers	24
Ship emissions around China under gradually promoted control policies from 2016 to 2019	24
Satellite quantification of oil and natural gas methane emissions in the US and Canada including contributions from individual basins	24
Gravity waves in the winter stratosphere over the Southern Ocean: high-resolution satellite observations and 3-D spectral analysis	24
Improved gridded ammonia emission inventory in China	24
Measurement report: Vertical distribution of atmospheric particulate matter within the urban boundary layer in southern China – size-segregated chemical composition and secondary formation through clo	24
Bias in CMIP6 models as compared to observed regional dimming and brightening	24
Effects of strengthening the Baltic Sea ECA regulations	24
The driving factors of new particle formation and growth in the polluted boundary layer	24
Assessment of pre-industrial to present-day anthropogenic climate forcing in UKESM1	24
Robust winter warming over Eurasia under stratospheric sulfate geoengineering – the role of stratospheric dynamics	24
Secondary organic aerosol formation from OH-initiated oxidation of <i>m</i>-xylene: effects of relative humidity on yield and chemical composition	24
Disparities in particulate matter (PM<sub>10</sub>) origins and oxidative potential at a city scale (Grenoble, France) – Part 2: Sources of PM<sub>10</	24
Dependency of particle size distribution at dust emission on friction velocity and atmospheric boundary-layer stability	24
Long-term trends in air quality in major cities in the UK and India: a view from space	24
The impact threshold of the aerosol radiative forcing on the boundary layer structure in the pollution region	24
Identifying the spatiotemporal variations in ozone formation regimes across China from 2005 to 2019 based on polynomial simulation and causality analysis	24
Confinement of air in the Asian monsoon anticyclone and pathways of convective air to the stratosphere during the summer season	24
New particle formation and its effect on cloud condensation nuclei abundance in the summer Arctic: a case study in the Fram Strait and Barents Sea	24
Aerosol radiative effects and feedbacks on boundary layer meteorology and PM<sub>2.5</sub> chemical components during winter haze events over the Beijing-Tianjin-Hebei regi	24
Size-resolved particle number emissions in Beijing determined from measured particle size distributions	24
Deep-convective influence on the upper troposphere–lower stratosphere composition in the Asian monsoon anticyclone region: 2017 StratoClim campaign results	24
Direct estimates of biomass burning NO<sub><i>x</i></sub> emissions and lifetimes using daily observations from TROPOMI	24
Methane mapping, emission quantification, and attribution in two European cities: Utrecht (NL) and Hamburg (DE)	24
Global-scale distribution of ozone in the remote troposphere from the ATom and HIPPO airborne field missions	24
Attribution of ground-level ozone to anthropogenic and natural sources of nitrogen oxides and reactive carbon in a global chemical transport model	24
Measurement report: Long-term changes in black carbon and aerosol optical properties from 2012 to 2020 in Beijing, China	24
Fine particle characterization in a coastal city in China: composition, sources, and impacts of industrial emissions	23
The effect of interactive ozone chemistry on weak and strong stratospheric polar vortex events	23
Non-methane hydrocarbon (NMHC) fingerprints of major urban and agricultural emission sources for use in source apportionment studies	23
Using CESM-RESFire to understand climate–fire–ecosystem interactions and the implications for decadal climate variability	23
Large contribution of organics to condensational growth and formation of cloud condensation nuclei (CCN) in the remote marine boundary layer	23
Trends and spatial shifts in lightning fires and smoke concentrations in response to 21st century climate over the national forests and parks of the western United States	23
Characterization of transport regimes and the polar dome during Arctic spring and summer using in situ aircraft measurements	23
Atmospheric boundary layer height estimation from aerosol lidar: a new approach based on morphological image processing techniques	23
On the impact of future climate change on tropopause folds and tropospheric ozone	23
Deposition of brown carbon onto snow: changes in snow optical and radiative properties	23
Are reactive oxygen species (ROS) a suitable metric to predict toxicity of carbonaceous aerosol particles?	23
Asian summer monsoon anticyclone: trends and variability	23
Lightning occurrences and intensity over the Indian region: long-term trends and future projections	23
Modeling secondary organic aerosol formation from volatile chemical products	23
A tropospheric pathway of the stratospheric quasi-biennial oscillation (QBO) impact on the boreal winter polar vortex	23
Global and regional impacts of land cover changes on isoprene emissions derived from spaceborne data and the MEGAN model	23
Oxygenated products formed from OH-initiated reactions of trimethylbenzene: autoxidation and accretion	23
Analysis of recent lower-stratospheric ozone trends in chemistry climate models	23
Aerosol acidity and liquid water content regulate the dry deposition of inorganic reactive nitrogen	23
Long-term profiling of aerosol light extinction, particle mass, cloud condensation nuclei, and ice-nucleating particle concentration over Dushanbe, Tajikistan, in Central Asia	23
Rapid transformation of ambient absorbing aerosols from West African biomass burning	23
In situ ozone production is highly sensitive to volatile organic compounds in Delhi, India	23
Partitioning of hydrogen peroxide in gas-liquid and gas-aerosol phases	23
Size-segregated characteristics of organic carbon (OC), elemental carbon (EC) and organic matter in particulate matter (PM) emitted from different types of ships in China	23
The effects of morphology, mobility size, and secondary organic aerosol (SOA) material coating on the ice nucleation activity of black carbon in the cirrus regime	23
The long-term trend and production sensitivity change in the US ozone pollution from observations and model simulations	23
Local and remote mean and extreme temperature response to regional aerosol emissions reductions	23
Severe Californian wildfires in November 2018 observed from space: the carbon monoxide perspective	23
Insights into the aging of biomass burning aerosol from satellite observations and 3D atmospheric modeling: evolution of the aerosol optical properties in Siberian wildfire plumes	23
AEROCOM and AEROSAT AAOD and SSA study – Part 1: Evaluation and intercomparison of satellite measurements	23
Measurement report: Characterization of severe spring haze episodes and influences of long-range transport in the Seoul metropolitan area in March 2019	23
Importance of dry deposition parameterization choice in global simulations of surface ozone	23
A very high-resolution assessment and modelling of urban air quality	23
Deconvolution of boundary layer depth and aerosol constraints on cloud water path in subtropical stratocumulus decks	22
Air traffic and contrail changes over Europe during COVID-19: a model study	22
Shipping emissions in the Iberian Peninsula and the impacts on air quality	22
Urban organic aerosol composition in eastern China differs from north to south: molecular insight from a liquid chromatography–mass spectrometry (Orbitrap) study	22
Molecular characterization of firework-related urban aerosols using Fourier transform ion cyclotron resonance mass spectrometry	22
Increase in secondary organic aerosol in an urban environment	22
Comparative study between ground-based observations and NAVGEM-HA analysis data in the mesosphere and lower thermosphere region	22
Statistical aerosol properties associated with fire events from 2002 to 2019 and a case analysis in 2019 over Australia	22
Aerosol absorption in global models from AeroCom phase III	22
Relative importance of high-latitude local and long-range-transported dust for Arctic ice-nucleating particles and impacts on Arctic mixed-phase clouds	22
Long-range aerosol transport and impacts on size-resolved aerosol composition in Metro Manila, Philippines	22
Role of eyewall and rainband eddy forcing in tropical cyclone intensification	22
Measurements of higher alkanes using NO<sup>+</sup> chemical ionization in PTR-ToF-MS: important contributions of higher alkanes to secondary organic aerosols in China	22
Size-resolved aerosol pH over Europe during summer	22
The role of emission reductions and the meteorological situation for air quality improvements during the COVID-19 lockdown period in central Europe	22
What can we learn about urban air quality with regard to the first outbreak of the COVID-19 pandemic? A case study from central Europe	22
Atmospheric VOC measurements at a High Arctic site: characteristics and source apportionment	22
Annual exposure to polycyclic aromatic hydrocarbons in urban environments linked to wintertime wood-burning episodes	22
Distinct chemical and mineralogical composition of Icelandic dust compared to northern African and Asian dust	22
EARLINET observations of Saharan dust intrusions over the northern Mediterranean region (2014–2017): properties and impact on radiative forcing	22
Impact of reduced anthropogenic emissions during COVID-19 on air quality in India	22
Aerosol vertical distribution and interactions with land/sea breezes over the eastern coast of the Red Sea from lidar data and high-resolution WRF-Chem simulations	22
The value of remote marine aerosol measurements for constraining radiative forcing uncertainty	22
Validation of Aura-OMI QA4ECV NO<sub>2</sub> climate data records with ground-based DOAS networks: the role of measurement and comparison uncertainties	22
In-depth characterization of submicron particulate matter inter-annual variations at a street canyon site in northern Europe	22
Overview: Integrative and Comprehensive Understanding on Polar Environments (iCUPE) – concept and initial results	22
Urban aerosol size distributions: a global perspective	22
Formation of condensable organic vapors from anthropogenic and biogenic volatile organic compounds (VOCs) is strongly perturbed by NO<sub><i>x</i></sub	22
Microphysics and dynamics of snowfall associated with a warm conveyor belt over Korea	22
Radiative and chemical implications of the size and composition of aerosol particles in the existing or modified global stratosphere	22
Mixing states of Amazon basin aerosol particles transported over long distances using transmission electron microscopy	22
Methane emissions in the United States, Canada, and Mexico: evaluation of national methane emission inventories and 2010–2017 sectoral trends by inverse analysis of in situ (GLOBALVIEWplus CH<s	22
Non-linear response of PM<sub>2.5</sub> to changes in NO<sub><i>x</i></sub> and NH<sub>3</sub&a	21
Variability of nitrogen oxide emission fluxes and lifetimes estimated from Sentinel-5P TROPOMI observations	21
Systematic detection of local CH<sub>4</sub> anomalies by combining satellite measurements with high-resolution forecasts	21
Quantifying burning efficiency in megacities using the NO2∕CO ratio from the Tropospheric Monitoring Instrument (TROPOMI)	21
Model bias in simulating major chemical components of PM<sub>2.5</sub> in China	21
Retrieving the global distribution of the threshold of wind erosion from satellite data and implementing it into the Geophysical Fluid Dynamics Laboratory land–atmosphere model (GFDL AM4.0/LM4.0)	21
Investigating the assimilation of CALIPSO global aerosol vertical observations using a four-dimensional ensemble Kalman filter	21
Above-cloud aerosol optical depth from airborne observations in the southeast Atlantic	21
Missing OH reactivity in the global marine boundary layer	21
Sources of black carbon at residential and traffic environments obtained by two source apportionment methods	21
Interhemispheric transport of metallic ions within ionospheric sporadic <i>E</i> layers by the lower thermospheric meridional circulation	21
Decoupling of urban CO<sub>2</sub> and air pollutant emission reductions during the European SARS-CoV-2 lockdown	21
Altitude profiles of cloud condensation nuclei characteristics across the Indo-Gangetic Plain prior to the onset of the Indian summer monsoon	21
Aerosol-enhanced high precipitation events near the Himalayan foothills	21
Detection and attribution of wildfire pollution in the Arctic and northern midlatitudes using a network of Fourier-transform infrared spectrometers and GEOS-Chem	21
Volatile organic compound emissions from solvent- and water-borne coatings – compositional differences and tracer compound identifications	21
Long-term MAX-DOAS measurements of NO<sub>2</sub>, HCHO, and aerosols and evaluation of corresponding satellite data products over Mohali in the Indo-Gangetic Plain	21
Long-term deposition and condensation ice-nucleating particle measurements from four stations across the globe	21
Smoke-charged vortices in the stratosphere generated by wildfires and their behaviour in both hemispheres: comparing Australia 2020 to Canada 2017	21
Chemical composition, optical properties, and oxidative potential of water- and methanol-soluble organic compounds emitted from the combustion of biomass materials and coal	21
The stratospheric Brewer–Dobson circulation inferred from age of air in the ERA5 reanalysis	21
Untangling causality in midlatitude aerosol–cloud adjustments	21
In situ vertical characteristics of optical properties and heating rates of aerosol over Beijing	21
Molecular composition and photochemical evolution of water-soluble organic carbon (WSOC) extracted from field biomass burning aerosols using high-resolution mass spectrometry	21
Atmospheric mercury in the Southern Hemisphere – Part 1: Trend and inter-annual variations in atmospheric mercury at Cape Point, South Africa, in 2007–2017, and on Amsterdam Island in 2012–2017	21
Trends in eastern China agricultural fire emissions derived from a combination of geostationary (Himawari) and polar (VIIRS) orbiter fire radiative power products	21
Upward transport into and within the Asian monsoon anticyclone as inferred from StratoClim trace gas observations	21
On mineral dust aerosol hygroscopicity	21
Anthropogenic aerosol forcing of the Atlantic meridional overturning circulation and the associated mechanisms in CMIP6 models	21
Dust Constraints from joint Observational-Modelling-experiMental analysis (DustCOMM): comparison with measurements and model simulations	21
Impacts of global NO<sub><i>x</i></sub> inversions on NO<sub>2</sub> and ozone simulations	21
Interhemispheric differences of mesosphere–lower thermosphere winds and tides investigated from three whole-atmosphere models and meteor radar observations	21
Characterization of ambient volatile organic compounds, source apportionment, and the ozone–NO<sub>x</sub>–VOC sensitivities in a heavily polluted megacity of central China	21
Modeling the impact of COVID-19 on air quality in southern California: implications for future control policies	21
Using ship-borne observations of methane isotopic ratio in the Arctic Ocean to understand methane sources in the Arctic	21
The temperature dependence of ice-nucleating particle concentrations affects the radiative properties of tropical convective cloud systems	21
Models transport Saharan dust too low in the atmosphere: a comparison of the MetUM and CAMS forecasts with observations	21
Long-term sub-micrometer aerosol chemical composition in the boreal forest: inter- and intra-annual variability	21
Long-term (1999–2019) variability of stratospheric aerosol over Mauna Loa, Hawaii, as seen by two co-located lidars and satellite measurements	21
Gaseous, PM<sub>2.5</sub> mass, and speciated emission factors from laboratory chamber peat combustion	20
Evident PM<sub>2.5</sub> drops in the east of China due to the COVID-19 quarantine measures in February	20
Long-range and local air pollution: what can we learn from chemical speciation of particulate matter at paired sites?	20
Detection and characterization of birch pollen in the atmosphere using a multiwavelength Raman polarization lidar and Hirst-type pollen sampler in Finland	20
Shipborne observations reveal contrasting Arctic marine, Arctic terrestrial and Pacific marine aerosol properties	20
Impact of topography on black carbon transport to the southern Tibetan Plateau during the pre-monsoon season and its climatic implication	20
Characterization of non-refractory (NR) PM<sub>1</sub> and source apportionment of organic aerosol in Kraków, Poland	20
Variability in lidar-derived particle properties over West Africa due to changes in absorption: towards an understanding	20
Strong sensitivity of the isotopic composition of methane to the plausible range of tropospheric chlorine	20
Low-NO atmospheric oxidation pathways in a polluted megacity	20
Differences in tropical high clouds among reanalyses: origins and radiative impacts	20
Marine organic matter in the remote environment of the Cape Verde islands – an introduction and overview to the MarParCloud campaign	20
Modeled changes in source contributions of particulate matter during the COVID-19 pandemic in the Yangtze River Delta, China	20
North China Plain as a hot spot of ozone pollution exacerbated by extreme high temperatures	20
The Brewer–Dobson circulation in CMIP6	20
Characterising mass-resolved mixing state of black carbon in Beijing using a morphology-independent measurement method	20
Thermodynamic properties of isoprene- and monoterpene-derived organosulfates estimated with COSMO<i>therm</i>	20
Meridional and vertical variations of the water vapour isotopic composition in the marine boundary layer over the Atlantic and Southern Ocean	20
Strong day-to-day variability of the Asian Tropopause Aerosol Layer (ATAL) in August 2016 at the Himalayan foothills	20