99 citations as recorded by crossref.

1. A fuel-based method for updating mobile source emissions during the COVID-19 pandemic C. Harkins et al.
2. Effects of COVID-19 lockdown on PM10 composition and sources in the Rome Area (Italy) by elements' chemical fractionation-based source apportionment L. Massimi et al.
3. The effect of urban morphological characteristics on the spatial variation of PM2.5 air quality in downtown Nanjing T. Kokkonen et al.
4. Estimation of NO2 emission strengths over Riyadh and Madrid from space from a combination of wind-assigned anomalies and a machine learning technique Q. Tu et al.
5. COVID-19 Lockdown in Israel: The Environmental Effect on Ultrafine Particle Content in the Airway E. Fireman Klein et al.
6. Trends in CO, CO2, CH4, BC, and NOx during the First 2020 COVID-19 Lockdown: Source Insights from the WMO/GAW Station of Lamezia Terme (Calabria, Southern Italy) F. D’Amico et al.
7. Increased ozone pollution alongside reduced nitrogen dioxide concentrations during Vienna’s first COVID-19 lockdown: Significance for air quality management M. Brancher
8. Numerical simulation of the impact of COVID-19 lockdown on tropospheric composition and aerosol radiative forcing in Europe S. Reifenberg et al.
9. COVID lockdowns significantly affect statewide atmospheric fine aerosols in India after excluding long-term pollution patterns and time-lag effect T. Etchie et al.
10. Pop-up cycling infrastructure as a niche innovation for sustainable transportation in European cities: An inter- and transdisciplinary case study of Berlin S. Becker et al.
11. Emitted yesterday, polluting today: temporal source apportionment of fine particulate matter pollution over Central Europe P. Huszár et al.
12. Source apportionment of fine and ultrafine particle number concentrations in a major city of the Eastern Mediterranean P. Kalkavouras et al.
13. Changes in China's anthropogenic emissions and air quality during the COVID-19 pandemic in 2020 B. Zheng et al.
14. Mobile monitoring of urban air quality at high spatial resolution by low-cost sensors: impacts of COVID-19 pandemic lockdown S. Wang et al.
15. Air Quality in Moscow during the COVID-19 Lockdown in Comparison with Other Regions of the World Y. Shuvalova & A. Ginzburg
16. An improved Bayesian inversion to estimate daily NOx emissions of Paris from TROPOMI NO2 observations between 2018–2023 A. Mols et al.
17. Air quality impacts of COVID-19 lockdown measures detected from space using high spatial resolution observations of multiple trace gases from Sentinel-5P/TROPOMI P. Levelt et al.
18. Exploring the Influence of Land Use on the Urban Carbonyl Sulfide Budget: A Case Study of the Metropolitan Area of Barcelona C. Estruch et al.
19. Non-uniform tropospheric NO2 level changes in European Union caused by governmental COVID-19 restrictions and geography G. Varga et al.
20. Peculiar COVID-19 effects in the Greater Tokyo Area revealed by spatiotemporal variabilities of tropospheric gases and light-absorbing aerosols A. Damiani et al.
21. Enhancing near-real-time gridded carbon emissions estimation with fine-granular electricity data and meteorologically normalized NO2 fields G. Nie et al.
22. Changes in healthy effects and economic burden of PM2.5 in Beijing after COVID-19 F. Chen et al.
23. Trade-offs between short-term mortality attributable to NO2 and O3 changes during the COVID-19 lockdown across major Spanish cities H. Achebak et al.
24. Changes in global air pollutant emissions during the COVID-19 pandemic: a dataset for atmospheric modeling T. Doumbia et al.
25. Impact of the Coronavirus Pandemic Lockdown on Atmospheric Nanoparticle Concentrations in Two Sites of Southern Italy A. Dinoi et al.
26. The impact of temporal variability in prior emissions on the optimization of urban anthropogenic emissions of CO2, CH4 and CO using in-situ observations I. Super et al.
27. Societal shifts due to COVID-19 reveal large-scale complexities and feedbacks between atmospheric chemistry and climate change J. Laughner et al.
28. Aviation Contrail Cirrus and Radiative Forcing Over Europe During 6 Months of COVID‐19 U. Schumann et al.
29. Inversion-based assessment of anthropogenic NOx emission changes in Ukraine during the 2022–2023 war using TROPOMI satellite data Y. Mao et al.
30. Global Changes in Secondary Atmospheric Pollutants During the 2020 COVID‐19 Pandemic B. Gaubert et al.
31. Using Machine Learning to estimate the impact of different modes of transport and traffic restriction strategies on urban air quality A. Fabregat et al.
32. Detailed analysis of air pollution in the Canadian prairie region: A step toward net-zero emission A. Ghahremanlou & D. Ghahremanlou
33. Towards near-real-time air pollutant and greenhouse gas emissions: lessons learned from multiple estimates during the COVID-19 pandemic M. Guevara et al.
34. Country- and species-dependent parameters for the heating degree day method to distribute NOx and PM emissions from residential heating in the EU 27: application to air quality modelling and multi-year emission projections A. Guion et al.
35. Quantifying the seasonal variations in and regional transport of PM2.5 in the Yangtze River Delta region, China: characteristics, sources, and health risks Y. Zhan et al.
36. Estimating lockdown-induced European NO2 changes using satellite and surface observations and air quality models J. Barré et al.
37. Did governments neglect the environment during the COVID-19 pandemic? An empirical analysis of green public procurement J. Rosell
38. Modeling the effect of reduced traffic due to COVID-19 measures on air quality using a chemical transport model: impacts on the Po Valley and the Swiss Plateau regions G. Ciarelli et al.
39. Validation of multi-model decadal simulations of present-day central European air-quality A. Prieto Perez et al.
40. Who is the biological patient? A new gradational and dynamic model for one health medicine Y. Friedman
41. Quantifying changes in ambient NOx, O3 and PM10 concentrations in Austria during the COVID-19 related lockdown in spring 2020 C. Staehle et al.
42. Variation of air pollutants during COVID-19 lockdown phases in the mega-city of Lahore (Pakistan); Insights into meteorological parameters and atmospheric chemistry F. Qayyum et al.
43. Dynamic interactions between oil prices and renewable energy production in Italy amid the COVID-19 pandemic: wavelet and machine learning analyses C. Magazzino et al.
44. Emissions of nitrogen dioxide in the northeast U.S. during the 2020 COVID-19 lockdown S. Azad & M. Ghandehari
45. Effects of COVID‐19 lockdown measures on nitrogen dioxide and black carbon concentrations close to a major Italian motorway E. Bertazza et al.
46. Decreased Mobility During the COVID-19 Pandemic Period Considerably Improved Air Quality in Debrecen City, Hungary S. Mukherjee et al.
47. Estimating the effect of the COVID-19 pandemic on pollutant emissions in Europe A. Rodríguez-Sánchez et al.
48. Lessons from the COVID-19 air pollution decrease in Spain: Now what? X. Querol et al.
49. Response of PM2.5 pollution to meteorological and anthropogenic emissions changes during COVID-19 lockdown in Hunan Province based on WRF-Chem model S. Dai et al.
50. The greatest air quality experiment ever: Policy suggestions from the COVID-19 lockdown in twelve European cities M. Volta et al.
51. Impact of Cloud Condensation Nuclei Reduction on Cloud Characteristics and Solar Radiation during COVID-19 Lockdown 2020 in Moscow J. Shuvalova et al.
52. Changes in a Bottom-Up Vehicular Emissions Inventory and Its Impact on Air Pollution During COVID-19 Lockdown in São Paulo, Brazil S. Ibarra-Espinosa et al.
53. Impacts of COVID-19's restriction measures on personal exposure to VOCs and aldehydes in Taipei City Y. Yen et al.
54. Surface, satellite ozone variations in Northern South America during low anthropogenic emission conditions: a machine learning approach A. Casallas et al.
55. Distribution of hydrogen peroxide over Europe during the BLUESKY aircraft campaign Z. Hamryszczak et al.
56. Ambient BTEX Concentrations during the COVID-19 Lockdown in a Peri-Urban Environment (Orléans, France) M. Cai et al.
57. Unchanged PM2.5 levels over Europe during COVID-19 were buffered by ammonia N. Evangeliou et al.
58. Impact of COVID‐19 Pandemic Lockdown in Ambient Concentrations of Aromatic Volatile Organic Compounds in a Metropolitan City of Western India L. Sahu et al.
59. Modelling the impacts of emission changes on O3 sensitivity, atmospheric oxidation capacity, and pollution transport over the Catalonia region A. Badia et al.
60. Air Quality in the Italian Northwestern Alps during Year 2020: Assessment of the COVID-19 «Lockdown Effect» from Multi-Technique Observations and Models H. Diémoz et al.
61. A take-home message from COVID-19 on urban air pollution reduction through mobility limitations and teleworking A. Badia et al.
62. Decrease in ambient volatile organic compounds during the COVID-19 lockdown period in the Pearl River Delta region, south China C. Pei et al.
63. Impact of lockdown on air quality in Belgrade during COVID-19 pandemic B. Vucicevic et al.
64. Tracking environmental changes in atmospheric deposition in Moscow region with mosses as biomonitors: from pre-pandemic to post-pandemic periods O. Chaligava et al.
65. European air quality in view of the WHO 2021 guideline levels: Effect of emission reductions on air pollution exposure P. Franke et al.
66. Quantifying urban, industrial, and background changes in NO2 during the COVID-19 lockdown period based on TROPOMI satellite observations V. Fioletov et al.
67. NOx emissions in France in 2019–2021 as estimated by the high-spatial-resolution assimilation of TROPOMI NO2 observations R. Plauchu et al.
68. Machine Learning on the COVID-19 Pandemic, Human Mobility and Air Quality: A Review M. Rahman et al.
69. Surface, Satellite Ozone Changes in Northern South America During Low Anthropogenic Emission Conditions: A Machine Learning Approach A. Casallas et al.
70. COVID-19 perturbation on US air quality and human health impact assessment J. He et al.
71. Impact of the COVID-19 lockdown on typical ambient air pollutants: Cyclical response to anthropogenic emission reduction H. Yao et al.
72. Traffic and PM10 in Veneto region (northeastern Italy): The lesson of the 2020 lockdown D. Pernigotti & M. Miglietta
73. Differential impact of government lockdown policies on reducing air pollution levels and related mortality in Europe R. Schneider et al.
74. Impacts of exposure to air pollution, radon and climate drivers on the COVID-19 pandemic in Bucharest, Romania: A time series study M. Zoran et al.
75. Lessons learnt for air pollution mitigation policies from the COVID-19 pandemic: The Italian perspective M. D'Isidoro et al.
76. Comparing Sentinel-5P TROPOMI NO2 column observations with the CAMS regional air quality ensemble J. Douros et al.
77. Secondary PM2.5 decreases significantly less than NO2 emission reductions during COVID lockdown in Germany V. Balamurugan et al.
78. Impact of COVID-19 containment and closure policies on tropospheric nitrogen dioxide: A global perspective Y. Li et al.
79. Compliance with 2021 WHO air quality guidelines across Europe will require radical measures D. Bowdalo et al.
80. Large reductions in satellite-derived and modelled European lower-tropospheric ozone during and after the COVID-19 pandemic (2020–2022) M. Pimlott et al.
81. Air quality changes during the COVID-19 pandemic guided by robust virus-spreading data in Italy L. Aragão et al.
82. Impact of the COVID-19 Lockdown in a European Regional Monitoring Network (Spain): Are We Free from Pollution Episodes? G. Gangoiti et al.
83. COVID-19 induced lower-tropospheric ozone changes M. Mertens et al.
84. COVID-19 lockdown-induced changes in NO2 levels across India observed by multi-satellite and surface observations A. Biswal et al.
85. Measurements of Volatile Organic Compounds During the COVID‐19 Lockdown in Changzhou, China A. Jensen et al.
86. Local honey reflects environmental changes in metal concentrations and lead isotope ratios during COVID-19 restrictions in Brussels, Belgium, and Vancouver, Canada B. Hoppstock-Mattson et al.
87. Detection and attribution of an anomaly in terrestrial photosynthesis in Europe during the COVID-19 lockdown A. Tang et al.
88. Assessing the effects of significant activity changes on urban-scale air quality across three European cities M. Ramacher et al.
89. Global impact of the COVID-19 lockdown on surface concentration and health risk of atmospheric benzene C. Ling et al.
90. A global observational analysis to understand changes in air quality during exceptionally low anthropogenic emission conditions R. Sokhi et al.
91. Spatial heterogeneity in global atmospheric CO during the COVID–19 lockdown: Implications for global and regional air quality policies M. Pathak et al.
92. The role of emission reductions and the meteorological situation for air quality improvements during the COVID-19 lockdown period in central Europe V. Matthias et al.
93. Significant reduction of ultrafine particle emission fluxes to the urban atmosphere during the COVID-19 lockdown A. Straaten et al.
94. Implications of COVID-19 Restriction Measures in Urban Air Quality of Thessaloniki, Greece: A Machine Learning Approach D. Akritidis et al.
95. Counterintuitive PM2.5 Increases During COVID-19 Lockdown in Ilo, Peru: Coastal Meteorology and Cardiovascular Implications J. Valeriano-Zapana et al.
96. Relationship Between Particulate Matter (PM2.5 and PM10), Nitrogen Dioxide (NO2), Sulfur Dioxide (SO2), and the Incidence Rates of Type 1 Diabetes in 2017–2018 Compared to 2020–2021 During the Period of Restrictions Related to the SARS-CoV-2 Pandemic A. Sośnicka et al.
97. Tropospheric NO2 and O3 Response to COVID‐19 Lockdown Restrictions at the National and Urban Scales in Germany V. Balamurugan et al.
98. An assessment of NO2 atmospheric air pollution over three cities in South Africa during 2020 COVID-19 pandemic N. Matandirotya & R. Burger
99. European primary emissions of criteria pollutants and greenhouse gases in 2020 modulated by the COVID-19 pandemic disruptions M. Guevara et al.