Peer-reviewed

Adams, M. D.: Air pollution in Ontario, Canada during the COVID-19 State of Emergency. Science of the Total Environment, 742, 140516, https://doi.org/10.1016/j.scitotenv.2020.140516, 2020.

Adebayo et al.: CO₂ behavior amidst the COVID-19 pandemic in the United Kingdom: The role of renewable and non-renewable energy development. Renewable Energy, 189, 489-501, https://doi.org/10.1016/j.renene.2022.02.111, 2022.

Afotey, B. et al.: Impact of Corona Virus Stay-at-Home Policies on Traffic Emissions and Ambient Pollutant Concentrations in Ghana, West Africa. Engineered Science, 17, 285-291, https://doi.org/10.30919/es8d43, 2022.

Agami, S. and U. Dayan: Impact of the first induced COVID-19 lockdown on air quality in Israel. Atmospheric Environment, 262, https://doi.org/10.1016/j.atmosenv.2021.118627, 2021.

Aix, M. L. et al.: Air pollution and health impacts during the COVID-19 lockdowns in Grenoble, France. Environmental Pollution, 303, https://doi.org/10.1016/j.envpol.2022.119134, 2022.

Akritidis, K, et al.: Implications of COVID-19 Restriction Measures in Urban Air Quality of Thessaloniki, Greece: A Machine Learning Approach. Atmosphere, 12, 1500, https://doi.org/10.3390/atmos12111500, 2021.

Alava, J. J., and G.G. Singh: Changing air pollution and CO₂ emissions during the COVID-19 pandemic: Lesson learned and future equity concerns of post-COVID recovery. Environmental Science and Policy, 130, 1-8, https://doi.org/10.1016/j.envsci.2022.01.006, 2022.

Alexandrou, G., et al.: The Impact on Urban Air Quality of the COVID-19 Lockdown Periods in 2020: The Case of Nicosia, Cyprus. Atmosphere, 12, 1310, https://doi.org/10.3390/atmos12101310, 2021.

Ali, G. et al.: Environmental spatial heterogeneity of the impacts of COVID-19 on the top-20 metropolitan cities of Asia-Pacific. Sci. Rep. 11, 20339, https://doi.org/10.1038/s41598-021-99546-9, 2021.

Aman, M. A., M. S. Salman and A. P. Yunus: COVID-19 and its impact on environment: Improved pollution levels during the lockdown period – A case from Ahmedabad, India. Remote Sensing Applications: Society and Environment, 20, 100382, https://doi.org/10.1016/j.rsase.2020.100382, 2020.

Andreoni, V. et al.: Estimating the European CO₂ emissions change due to COVID-19 restrictions. Science of the Total Environment, 769, 145115, https://doi.org/10.1016/j.scitotenv.2021.145115, 2021.

Anil, I. and O. Alagha: The impact of COVID-19 lockdown on the air quality of Eastern Province, Saudi Arabia. Air Quality, Atmosphere and Health, https://doi.org/10.1007/s11869-020-00918-3, 2020.

Anser, M. K. et al.: The impact of coal combustion, nitrous oxide emissions, and traffic emissions on COVID-19 cases: a Markov-switching approach. Environmental Science and Pollution Research, 28, 64882–64891, https://doi.org/10.1007/s11356-021-15494-x, 2021.

Agarwal, A., A. Kaushik, S. Kumar and R. K. Mishra: Comparative study on air quality status in Indian and Chinese cities before and during the COVID-19 lockdown period. Air Quality, Atmosphere and Health 13, 1167-1178, https://dx.doi.org/10.1007%2Fs11869-020-00881-z, 2020.

Al-qaness, M. et al.: Improved ANFIS model for forecasting Wuhan City Air Quality and analysis COVID-19 lockdown impacts on air quality. Environmental Research, 194, 110607, https://doi.org/10.1016/j.envres.2020.110607, 2021.

Arora, S. K. D. Bhaukhandi, P. K. Mishra: Coronavirus lockdown helped the environment to bounce back. Science of the Total Environment, 742 (140573), https://doi.org/10.1016/j.scitotenv.2020.140573 , 2020.

Arregoces, H. A., et al.: Impact of lockdown on particulate matter concentrations in Colombia during the COVID-19 pandemic. Science of the Total Environment, 764, https://doi.org/10.1016/j.scitotenv.2020.142874, 2021.

Baldasano, J. M.: COVID-19 lockdown effects on air quality by NO₂ in the cities of Barcelona and Madrid (Spain). Science of the Total Environment, 741, 140353, https://doi.org/10.1016/j.scitotenv.2020.140353, 2020.

Badia et al.: A take-home message from COVID-19 on urban air pollution reduction through mobility limitations and teleworking. npj Urban Sustainability, 1, 35, https://doi.org/10.1038/s42949-021-00037-7, 2021.

Bai, Y. et al.: Changes in stoichiometric characteristics of ambient air pollutants pre-to post-COVID-19 in China. Environmental Research, 209, https://doi.org/10.1016/j.envres.2022.112806, 2022.

Balamurugan, V. et al.: Tropospheric NO₂ and O₃ Response to COVID-19 Lockdown Restrictions at the National and Urban Scales in Germany. Journal of Geophysical Research, 126, 19, https://doi.org/10.1029/2021JD035440, 2021.

Bao, R. and A. Zhang: Does lockdown reduce air pollution? Evidence from 44 cities in northern China. Science of the Total Environment, 731 (139052), https://doi.org/10.1016/j.scitotenv.2020.139052 , 2020.

Barré, J., H. Petetin, A. Colette, M. Guevara, V.-H. Peuch, L. Rouil et al.: Estimating lockdown induced European NO₂ changes. Atmospheric Chemistry and Physics, https://doi.org/10.5194/acp-2020-995, 2020.

Bashir, M. F., B. J. MA, Bilal, B. Komal, M. A. Bashir, T.. H. Farooq, N. Iqbal, M. Bashir: Correlation between environmental pollution indicators and COVID-19 pandemic: A brief study in Californian context. Environmental Research, 187, 109652, https://doi.org/10.1016/j.envres.2020.109652, 2020.

Bassani, C. et al.: Nitrogen dioxide reductions from satellite and surface observations during COVID-19 mitigation in Rome (Italy). Environmental Science and Pollution Research, https://doi.org/10.1007/s11356-020-12141-9, 2021.

Bauwens, M. S. Compernolle, T. Stavrakou, J.-F. Müller, J. van Gent, H. Eskes, P. F. Levelt, R. van der A, J. P. Veefkind, J. Vlietinck, H. Yu, C. Zehner: Impact of coronavirus outbreak on NO₂ pollution assessed using TROPOMI and OMI observations. Geophysical Research Letters, https://doi.org/10.1029/2020GL087978, 2020.

Bedi, J. S., P. Dhaka, D. Vijay, R. S. Aulakh and J. P. S. Gill: Assessment of Air Quality Changes in the Four Metropolitan Cities of India during COVID-19 Pandemic Lockdown. Aerosol and Air Quality Research, 20, https://doi.org/10.4209/aaqr.2020.05.0209, 2020.

Bekbulat, B. et al.: Changes in criteria air pollution levels in the US before, during, and after Covid-19 stay-at-home orders: Evidence from regulatory monitors. Science of the Total Environment, 769, https://doi.org/10.1016/j.scitotenv.2020.144693, 2021.

Bera et al.: Variation and dispersal of PM10 and PM2.5 during COVID-19 lockdown over Kolkata metropolitan city, India investigated through HYSPLIT model. Geoscience Frontiers, 13, https://doi.org/10.1016/j.gsf.2021.101291, 2022.

Berman, J. D. and K. Ebisu: Changes in U.S. air pollution during the COVID-19 pandemic. Science of the Total Environment, 739 (139864), https://doi.org/10.1016/j.scitotenv.2020.139864 , 2020.

Bertram, C. et al.: COVID-19-induced low power demand and market forces starkly reduce CO₂ emissions. Nature Climate Change, 11, 193–196, https://doi.org/10.1038/s41558-021-00987-x, 2021.

Betancourt-Odio, M. A. et al.: Local Analysis of Air Quality Changes in the Community of Madrid before and during the COVID-19 Induced Lockdown. Atmosphere, 12, 659, https://doi.org/10.3390/atmos12060659, 2021.

Borowska-Stefanska, M., et al.: The Effect of COVID-19 Pandemic on Emitted PM2.5 in Urban Road Networks: Using Loop Data and Kriging Method for Passenger Cars in the Central Part of the City of Lodz. Aerosol and Air Quality Research, https://doi.org/10.4209/aaqr.210313, 2022.

Biswal, A., V. Singh, S. Singh, A. P. Kesarkar, K. Ravindra, R. S. Sokhl, M. P. Chipperfield, S. S. Dhomse, R. J. Pope, T. Singh and S. Mor: COVID-19 lockdown induced changes in NO₂ levels across India observed by multi-satellite and surface observations. Atmospheric Chemistry and Physics, https://doi.org/10.5194/acp-2020-1023, 2020.

Biswas, M. S. and A. D. Choudhury: Impact of COVID-19 Control Measures on Trace Gases (NO₂, HCHO and SO₂) and Aerosols over India during Pre-monsoon of 2020. Aerosol and Air Quality Research, https://doi.org/10.4209/aaqr.2020.06.0306, 2020.

Bouarar, I. et al.: Ozone Anomalies in the Free Troposphere During the COVID-19 Pandemic. Geophysical Research Letters, 48, 16, https://doi.org/10.1029/2021GL094204, 2021.

Brancher, M.: Increased ozone pollution alongside reduced nitrogen dioxide concentrations during Vienna’s first COVID-19 lockdown: Significance for air quality management. Environmental Pollution, 284, 117153, https://doi.org/10.1016/j.envpol.2021.117153, 2021.

Brandao, R. et al.: Air Quality in Southeast Brazil during COVID-19 Lockdown: A Combined Satellite and Ground-Based Data Analysis. Atmosphere, 12, 583, https://doi.org/10.3390/atmos1205058, 2021.

Bray, C. D. et al.: Impact of lockdown during the COVID-19 outbreak on multi-scale air quality. Atmospheric Environment, 254, https://doi.org/10.1016/j.atmosenv.2021.118386, 2021.

Brimblecombe, P. and Lai, Y.: Effect of Fireworks, Chinese New Year and the COVID-19 Lockdown on Air Pollution and Public Attitudes. Aerosol Air Quality Research, 20: 2318–2331. https://doi.org/10.4209/aaqr.2020.06.0299, 2020.
Brimblecombe, P. and Lai, Y.: Diurnal and weekly patterns of primary pollutants in Beijing under COVID-19 restrictions. Faraday Discussions, DOI: 10.1039/D0FD00082E, 2020.
Briz-Redón, A., C. Belenguer-Sapiña and A. Serrano-Aroca: Changes in air pollution during COVID-19 lockdown in Spain: A multi-city study. Journal of Environmental Sciences, 101, https://doi.org/10.1016/j.jes.2020.07.029, 2021.

Broomandi, P., F. Karaca, A. Nikfal, A. Jahanbakhshi, M. Tamjidi, J. R. Kim: Impact of COVID-19 event on the air quality in Iran. Aerosol and Air Quality Research, 20, https://doi.org/10.4209/aaqr.2020.05.0205, 2020.

Buchwitz, M., M. Reuter, S. Noël, K. Bramstedt, O. Schneising, M. Hilker, B. F. Andrade, H. Bovensmann, J. P. Burrows et al.: Can a regional-scale reduction of atmospheric CO₂ during the COVID-19 pandemic be detected from space? A case study for East China using satellite XCO₂ retrievals. Atmospheric Measurement Techniques, https://doi.org/10.5194/amt-2020-386, 2020.

Burns, J. et al.: COVID-19 mitigation measures and nitrogen dioxide – A quasi-experimental study of air quality in Munich, Germany. Atmospheric Environment, 246, https://doi.org/10.1016/j.atmosenv.2020.118089, 2021.

Campbell, P. et al.: Impacts of the COVID-19 economic slowdown on ozone pollution in the U.S. Atmospheric Environment, 264, https://doi.org/10.1016/j.atmosenv.2021.118713, 2021.

Cao, H. et al.: Covid-19 lockdowns afford the first satellite-based confirmation that vehicles are an under-recognized source of urban NH₃ pollution in Los Angeles. Environmental Science & Technology Letters, 9, 3-9, https://doi.org/10.1021/acs.estlett.1c00730, 2022.

Cazorla, M., E. Herrera, E. Palomeque and N. Saud: What the COVID-19 lockdown revealed about photochemistry and ozone production in Quito, Ecuador. Atmospheric Pollution Research https://doi.org/10.1016/j.apr.2020.08.028, 2020.

Chang, K.-L., et al.: Impact of the COVID-19 Economic Downturn on Tropospheric Ozone Trends: An Uncertainty Weighted Data Synthesis for Quantifying Regional Anomalies Above Western North America and Europe. AGU Advances, 3, 2, https://doi.org/10.1029/2021AV000542, 2022

Chang, Y., R.-J. Huang, X. Ge, X. Huang, J. Hu, Y. Duan, Z. Zhou, X. Liu, M. F. Lehmann: Puzzling haze events during the coronavirus (COVID-19) shutdown. Geophysical Research Letters, https://doi.org/10.1029/2020GL088533, 2020.

Chatterjee, A., S. Mukherjee, M. Dutta, A. Ghosh, S. K. Ghosh and A. Roy: High rise in carbonaceous aerosols under very low anthropogenic emissions over eastern Himalaya, India: Impact of lockdown for COVID-19 outbreak. Atmospheric Environment 244, 117947, https://doi.org/10.1016/j.atmosenv.2020.117947, 2021.

Chauhan, A., and R. P. Singh: Decline in PM2.5 concentrations over major cities around the world associated with COVID-19. Environmental Research, 187 (109634), https://doi.org/10.1016/j.envres.2020.109634, 2020.

Chauhan, A., Singh, R.P.: Effect of Lockdown on HCHO and Trace Gases over India during March 2020. Aerosol Air Quality Research 21, 200445. https://doi.org/10.4209/aaqr.2020.07.0445, 2021.

Chen, L.-W. A., L.-C. Chien, Y. Li and G. Lin: Nonuniform impacts of COVID-19 lockdown on air quality over the United States. Science of the Total Environment, 745, 141105, https://doi.org/10.1016/j.scitotenv.2020.141105, 2020.

Chen, Z. et al.: Have traffic restrictions improved air quality? A shock from COVID-19. Journal of Cleaner Production, 279, https://doi.org/10.1016/j.jclepro.2020.123622, 2021.

Chen, Q. X., Huang, C.L., Yuan, Y. and Tan, H.P.: Influence of COVID-19 Event on air quality and their association in mainland China. Aerosol Air Quality Research, 20: 1541–1551, https://doi.org/10.4209/aaqr.2020.05.0224, 2020.

Chen, Y.: COVID-19 pandemic imperils weather forecast. Geophysical Research Letters, 47, e2020GL088613, https://doi.org/10.1029/2020GL088613, 2020.

Chen, Y., Senthilkuma, N., Shen, H., and Shen, G.: Environmental inequality deapened during the COVID-19 in the developing world. Environmental Science and Technology, https://doi.org/10.1021/acs.est.0c06193, 2020.

Chen, Z., X. Hao, X. Zhang and F. Chen: Have traffic restrictions improved air quality? A shock from COVID-19. Journal of Cleaner Production, 279, 123622, https://doi.org/10.1016/j.jclepro.2020.123622, 2020.

Chevallier, F., Zheng, B., Broquet, G., Ciais, P., Liu, Z., Davis, S. J., et al.: Local anomalies in the column-averaged dry air mole fractions of carbon dioxide across the globe during the first months of the coronavirus recession. Geophysical Research Letters, 47.https://doi.org/10.1029/2020GL090244, 2020.

Chi, X. et al.: Assessing the Impacts of Human Activities on Air Quality during the COVID-19 Pandemic through Case Analysis. Atmosphere, 13, 181, https://doi.org/10.3390/atmos13020181, 2022.

Ching, J. and M. Kajino: Rethinking Air Quality and Climate Change after COVID-19. Environmental Research and Public Health, 17(14), 5167, https://doi.org/10.3390/ijerph17145167, 2020.

Choissiere, G. P., et al.: Air pollution impacts of COVID-19–related containment measures. Science Advances, 7, 21, https://doi.org/10.1126/sciadv.abe1178, 2021.

Chu, B., S. Zhang, J. Liu, Q. Ma and H. He: Significant concurrent decrease in PM_2.5 and NO₂ concentrations in China during COVID-19 epidemic. Journal of Environmental Science, 99, 346-353, https://doi.org/10.1016/j.jes.2020.06.031, 2020.

Clark, H. et al.: The effects of the COVID-19 lockdowns on the composition of the troposphere as seen by In-service Aircraft for a Global Observing System (IAGOS) at Frankfurt. Atmospheric Chemistry and Physics, 21, 16237–16256, https://doi.org/10.5194/acp-21-16237-2021, 2021.

Clemente, A. et al.: Changes in the concentration and composition of urban aerosols during the COVID-19 lockdown. Environmental Research, 203, https://doi.org/10.1016/j.envres.2021.111788, 2022.

Collivignarelli, M. C., A. Abba, G. Bertanza, R. Pedrazzani, P. Ricciardi, and M. C. Miino: Lockdown for Covid-2019 in Milan: What are the effects on air quality? Science of the Total Environment, 732 (139280), https://doi.org/10.1016/j.scitotenv.2020.139280 , 2020.

Contincine E., B. Frediani, and D. Caro: Can atmospheric pollution be considered a co-factor in extremely high level of SARS-CoV-2 lethality in Northern Italy? Environmental Pollution, 261, 114465, https://doi.org/10.1016/j.envpol.2020.114465, 2020.

Contini, D. and F. Costabile: Does Air Pollution Influence COVID-19 Outbreaks? Atmosphere, 11, 377, https://doi.org/10.3390/atmos11040377, 2020.

Cooper, M. J. et al.: Global fine-scale changes in ambient NO2 during COVID-19 lockdowns. Nature, 601, 380–387, https://doi.org/10.1038/s41586-021-04229-0, 2022.

Cottafava, D. et al.: Modeling economic losses and greenhouse gas emissions reduction during the COVID-19 pandemic: Past, present, and future scenarios for Italy. Economic Modelling, 110, https://doi.org/10.1016/j.econmod.2022.105807, 2022.

Dacre, H. F., A. H. Mortimer and L. S. Neal: How have surface NO₂ concentrations changed as a result of the UK's COVID-19 travel restrictions? Environmental Research Letters 15, 10, https://doi.org/10.1088/1748-9326/abb6a2, 2020.

Dahech, S. et al.: Spatiotemporal Variation of Air Quality (PM and NO₂) in Southern Paris during COVID-19 Lockdown Periods. Atmosphere, 13. 289, https://doi.org/10.3390/atmos13020289, 2022.

Dai, Q. et al.: Spring Festival and COVID-19 Lockdown: Disentangling PM Sources in Major Chinese Cities. Geophysical Research Letters, 48, 11, https://doi.org/10.1029/2021GL093403, 2021.

Dantas, G., B. Siciliano, B. B. Farca, C. M. da Silva, G. Arbilla: The impact of COVID-19 partial lockdown on the air quality of the city of Rio de Janeiro, Brazil. Science of the Total Environment, 729 (139085), https://doi.org/10.1016/j.scitotenv.2020.139085, 2020.

Datta et al.: Did the COVID‐19 lockdown in Delhi and Kolkata improve the ambient air quality of the two cities? Journal of Environmental Quality, https://doi.org/10.1002/jeq2.20192, 2021.

Deroubaix, A. et al.: Response of surface ozone concentration to emission reduction and meteorology during the COVID-19 lockdown in Europe. Authorea, 10.22541/au.160513378.82834373/v1, 2020.

Dhaka, S. K., Chetna, V. Kumar, V. Panwar, A. P. Dimri, N. Singh, P. K. Patra, Y. Matsumi, M. Takigawa, T. Nakayama, K. Yamaji, M. Kajino, P. Misra and S. Hayashida: PM_2.5 diminution and haze events over Delhi during the COVID-19 lockdown period: an interplay between the baseline pollution and meteorology. Scientific Reports, 10, 13442, https://doi.org/10.1038/s41598-020-70179-8, 2020.

Diamond, M. S. and R. Wood: Limited Regional Aerosol and Cloud Microphysical Changes Despite Unprecedented Decline in Nitrogen Oxide Pollution During the February 2020 COVID-19 Shutdown in China. Geophysical Research Letters, 47, https://doi.org/10.1029/2020GL088913, 2020.

Dias, F. L., M. Assumpção, P. S. Peixoto, M. B. Bianchi, B. Collaço and J. Calhau: Using Seismic Noise Levels to Monitor Social Isolation: An Example From Rio de Janeiro, Brazil. Geophysical Research Letters, 47, https://doi.org/10.1029/2020GL088748, 2020.

Diemoz, H. et al.: Air Quality in the Italian Northwestern Alps during Year 2020: Assessment of the COVID-19 «Lockdown Effect» from Multi-Technique Observations and Models. Atmosphere, 12, 1006, https://doi.org/10.3390/atmos12081006, 2021.

Dimovska, M and Gjorgjev D.: The Effects of COVID-19 Lockdown on Air Quality in Macedonia. Open Access Macedonian Journal of Medical Sciences, 8, https://doi.org/10.3889/oamjms.2020.5455, 2020.

Diffenbaugh, N. S. et al.: The COVID-19 lockdowns: a window into the Earth System. Nature Reviews Earth and Environment, 1, 470–481, https://doi.org/10.1038/s43017-020-0079-1, 2020.

Ding, J., van der A, R. J., Eskes, H. J.,Mijling, B., Stavrakou, T., van Geffen, J. H. G. M. et al.: NO_x emissions reduction and rebound in China due to the COVID-19 crisis. Geophysical Research Letters, 46, e2020GL089912. https://doi.org/10.1029/2020GL089912, 2020.

Dinoi, A. et al.: Impact of the Coronavirus Pandemic Lockdown on Atmospheric Nanoparticle Concentrations in Two Sites of Southern Italy. Atmosphere, 12, 352, https://doi.org/10.3390/atmos12030352, 2021.

Dobson, R. et al.: The impact of COVID-19 on air passenger demand and CO₂ emissions in Brazil. Energy Policy, 164, https://doi.org/10.1016/j.enpol.2022.11290, 2022.

Dobson, R. et al.: Changes in Personal Exposure to Fine Particulate Matter (PM2.5) during the Spring 2020 COVID-19 Lockdown in the UK: Results of a Simulation Model. Atmosphere, 13. 273, https://doi.org/10.3390/atmos13020273, 2022.

Dong, L. et al.: Analysis on the Characteristics of Air Pollution in China during the COVID-19 Outbreak. Atmosphere, 12, 205, https://doi.org/10.3390/atmos12020205, 2021.

Donzelli, G. et al.: The Effect of the Covid-19 Lockdown on Air Quality in Three Italian Medium-Sized Cities. Atmosphere, 11, 1118, https://doi.org/10.3390/atmos11101118, 2020.

Doumbia, T., Granier, C., Elguindi, N., Bouarar, I., Darras, S., Brasseur, G., Gaubert, B., Liu, Y., Shi, X., Stavrakou, T., Tilmes, S., Lacey, F., Deroubaix, A., and Wang, T.: Changes in global air pollutant emissions during the COVID-19 pandemic: a dataset for atmospheric chemistry modeling, Earth System Science Data Discussions [preprint] https://doi.org/10.5194/essd-2020-348, in review, 2021.

Dutta, A., Jinsart, W.: Air Quality, Atmospheric Variables and Spread of COVID-19 in Delhi (India): An Analysis. Aerosol Air Quality Research, 21, 200417. https://doi.org/10.4209/aaqr.2020.07.0417, 2021.

Dutheil, F., J. S. Baker and V. Navel: COVID-19 as a factor influencing air pollution? Environmental Pollution, 263, 114466, https://doi.org/10.1016/j.envpol.2020.114466, 2020.

Dutheil, F., J. S. Baker and V. Navel: COVID-19 and air pollution: the worst is yet to come. Environmental Science and Pollution Research, https://doi.org/10.1007/s11356-020-11075-6, 2020.

Elshorbany et al.: The Status of Air Quality in the United States During the COVID-19 Pandemic: A Remote Sensing Perspective. Remote Sensing, 13(3), 369, https://doi.org/10.3390/rs13030369, 2021.

Ethan, C. J. et al.: Air Quality Status in Wuhan City during and One Year after the COVID-19 Lockdown. Aerosol and Air Quality Research, 22, 210282, https://doi.org/10.4209/aaqr.210282, 2021.

Evangeliou, N. et al.: Changes in black carbon emissions over Europe due to COVID-19 lockdowns. Atmospheric Chemistry and Physics, 21, 2675–2692, https://doi.org/10.5194/acp-21-2675-2021, 2021.

Fan, H. et al.: The Role of Primary Emission and Transboundary Transport in the Air Quality Changes During and After the COVID-19 Lockdown in China. Geophysical Research Letters, 48, 7, https://doi.org/10.1029/2020GL091065, 2021.

Fattorini, D., and F. Regoli: Role of the chronic air pollution levels in the Covid-19 outbreak risk in Italy. Environmental Pollution, 264 (114732), https://doi.org/10.1016/j.envpol.2020.114732, 2020.

Faridi, S., Yousefian, F., Niazi, S., Ghalhari, M.R., Hassanvand, M.S. and Naddafi. K.: Impact of SARS-CoV-2 on ambient air particulate matter in Tehran. Aerosol Air Quality Research, https://doi.org/10.4209/aaqr.2020.05.0225, 2020.

Feng, R. et al.: Quantifying Air Pollutant Variations during COVID-19 Lockdown in a Capital City in Northwest China. Atmosphere, 12, 788, https://doi.org/10.3390/atmos12060788, 2021.

Feng, S., F. Jiang, H. Wang, H. Wang, W. Ju, Y. Shen, Y. Zheng, Z. Wu and A. Ding: NO_x Emission Changes Over China During the COVID‐19 Epidemic Inferred From Surface NO₂ Observations. Geophysical Research Letters 47, https://doi.org/10.1029/2020GL090080, 2020.

Feng, Z. et al.: Evolution of organic carbon during COVID-19 lockdown period: Possible contribution of nocturnal chemistry. Science of the Total Environment, 808, https://doi.org/10.1016/j.scitotenv.2021.152191, 2022.

Field, R. D., et al.: Changes in satellite retrievals of atmospheric composition over eastern China during the 2020 COVID-19 lockdowns. Atmospheric Chemistry and Physics, 21, 18333–18350, https://doi.org/10.5194/acp-21-18333-2021, 2021.

Filonchyk, M., Hurynovich, V., Yan, H., Gusev, A. and Shpilevskaya, N.: Impact Assessment of COVID-19 on Variations of SO₂, NO₂, CO and AOD over East China. Aerosol Air Quality Research 20: 1530–1540. https://doi.org/10.4209/aaqr.2020.05.0226, 2020.

Forster, P. M., H. I. Forster, M. J. Evans, M. J. Gidden, C. D. Jones, C. A. Keller, R. D. Lamboll, C. Le Quéré, J. Rogelj, D. Rosen, C.-F. Schleussner, T. B. Richardson, C. J. Smith and S. T. Turnock: Current and future global climate impacts resulting from COVID-19. Nature Climate Change, https://doi.org/10.1038/s41558-020-0883-0, 2020.

Francis, D. et al.: Increased Shamal winds and dust activity over the Arabian Peninsula during the COVID-19 lockdown period in 2020. Aeolian Research, 55, https://doi.org/10.1016/j.aeolia.2022.100786, 2022.

Fu, F. et al.: Impact of the COVID-19 Pandemic Lockdown on Air Pollution in 20 Major Cities around the World. Atmosphere, 11, 1189, https://doi.org/10.3390/atmos11111189, 2020.

Fu, S. et al.: Ozone pollution mitigation in guangxi (south China) driven by meteorology and anthropogenic emissions during the COVID-19 lockdown. Environmental Pollution, 272, 115927, https://doi.org/10.1016/j.envpol.2020.115927, 2021.

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