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.
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.
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 Air Quality Research, https://doi.org/10.4209/aaqr.2020.05.0205, 2020.
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.
Chen, Q.X., Huang, C.L., Yuan, Y. and Tan, H.P. (2020). 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
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.
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.
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.
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.
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.
Gautam, S. P., A. Silwal, P. Poudel, A. Thapa, P. Sharma, M. Lamsal, R. Neupane: Comparative study of ambient air quality using air quality index in Kathmandu city, Nepal. IOSR Journal of Environmental Science, Toxicology and Food Technology, 14, 29-35, DOI:10.9790/2402-1405022935, 2020.
Guevara, M., O. Jorba, A. Soret, H. Petetin, D. Bowdalo, K. Serradell, C. Tena, H. Denier van der Gon, J. Kuenen, V.-H. Peuch, C. P. Garcia-Pando, Time-resolved emission reductions for atmospheric chemistry modelling in Europe during hte COVID-19 lockdowns. Atmospheric Chemistry and Physics, https://doi.org/10.5194/acp-2020-686, 2020.
Griffith, S. M., W.-S. Huang, C.-C. Lin, Y.C. Chen, et al.: Long-range air pollution transport in East Asia during the first week of the COVID-19 lockdown in China. Science of the Total Environment,741 (140214), https://doi.org/10.1016/j.scitotenv.2020.140214, 2020.
Huang, X., A. Ding, J. Gao, B. Zheng, D. Zhou, X. Qi, R. Tang, J. Wang, C. Ren, et al.: Enhanced secondary pollution offset reduction of primary emissions during COVID-19 lockdown in China. National Science Review, https://doi.org/10.1093/nsr/nwaa137, 2020.
Huang, L., Z. Liu, H. Li, Y. Wang, Y. Li, Y. Zhu, M. C. G. Ooi, J. An, Y. Shang, D. Zhang, A. Chan and L. Li: The Silver Lining of COVID-19: Estimation of Short-Term Health Impacts Due to Lockdown in the Yangtze River Delta Region, China. GeoHealth, 4, https://doi.org/10.1029/2020GH000272, 2020
Jain, S. and T. Sharma: Social and Travel Lockdown Impact Considering Coronavirus Disease (COVID-19) on Air Quality in Megacities of India: Present Benefits, Future Challenges and Way Forward. Aerosol Air Quality Research, 20: 1222–1236. https://doi.org/10.4209/aaqr.2020.04.0171, 2020.
Kerimray, A., N. Baimatova, O. P. Ibragimova, B. Bukenov, B. Kenessov, P. Plotitsyn, F. Karaca: Assessing air quality changes in large cities during COVID-19 lockdowns: the impacts of traffic-free urban conditions in Almaty, Kazakhstan. Science of the Total Environment, 730 (139179), https://doi.org/10.1016/j.scitotenv.2020.139179, 2020.
Le, T., Y. Wang, L. Liu, J. Yang, Y. L. Yung, G. Li, J. H. Seinfeld: Unexpected air pollution with marked emissions reductions during the COVID-19 outbreak in China. Science, https://doi.org/10.1126/science.abb7431, 2020.
Lee, J. D., W. S. Drysdale, D. P. Finch, S. E. Wilde and P. I. Palmer: UK surface NO2 levels dropped by 42 % during the COVID-19 lockdown: impact on surface O3. Atmospheric Chemistry and Physics, https://doi.org/10.5194/acp-2020-838, 2020.
Le Quéré, C., R. B. Jackson, M. W. Jones, A. J. P. Smith, S. Abernethy, R. M. Andrew, A. J. De-Gol, D. R. Willis, Y. Shan, J. G. Canadell, P. Friedlingstein, F. Creutzig and G. P. Peters: Temporary reduction in daily global CO2 emisisons during the COVID-19 forced confinement. Nature Climate Change, https://doi.org/10.1038/s41558-020-0797-x, 2020.
Ljubenkov, I., S. Haddout, K. L. Priya, A. M. Hoguane: SARS-CoV-2 epidemic: changes in air quality during the lockdown in Zagreb (Republic of Croatia). Toxicological & Environmental Chemistry,https://doi.org/10.1080/02772248.2020.1778703, 2020.
Li, L. Q. Li, L. Huang, Q. Wang, A. Zhu, et al.: Air quality changes during the COVID-19 lockdown over the Yangtze River Delta Region: an insight into the impact of human activity pattern changes in air pollution variation. Science of the Total Environment 732, 139282, https://doi.org/10.1016/j.scitotenv.2020.139282, 2020.
Li, Z., J. Meng, L. Zhou, R. Zhou, M. Fu, Y. Wang, Y. Yi, A. Song, Q. Guo, Z. Hou, L. Yan: Impact of the COVID-19 event on the characteristics of atmospheric signle particle in the Northern China. Aerosol and AIr Quality Research, https://doi.org/10.4209/aaqr.2020.06.0321, 2020.
Liu, F., A. Page, S. A. Strode, Y. Yoshida, S. Choi, B. Zheng, L. N. Lamsal, C. Li, N. A. Krotkov, H. Eskes, R. van der A, P. Veefkind, P. F. Levelt, O. P. Hauser, J. Joiner: Abrupt decline in tropospheric nitrogen dioxide over China after the outbreak of COVID-19. Science Advances, https://doi.org/10.1126/sciadv.abc2992, 2020.
Ma, C.-J., and G.-U. Kang: Air quality variation in Wuhan, Daegu, and Tokyo during the explosive outbreak of COVID-19 and its health effects. Environmental Research and Public Health, 17 (11), 4119, https://doi.org/10.3390/ijerph17114119, 2020.
Menut, L., B. Bessagnet, G. Siour, S. Mailler, R. Pennel, A. Cholaklan: Impact of lockdown measures to combat Covid-19 on air quality in western Europe. Science of the Total Environment, 741 (140426), https://doi.org/10.1016/j.scitotenv.2020.140426, 2020.
Metiya, A., P. Dagupta, S. Halder, S. Chakraborty, Y. K. Tiwari: COVID-19 lockdowns imporve air quality in the South-East Asian regions, as seen by the remote sensing satellites. Aerosol Air Quality Research, https://doi.org/10.4209/aaqr.2020.05.0240, 2020.
Mitra, A., T. R. Chaudhuri, A. Mitra, P. Pramanick, and S. Zaman: Impact of COVID-19 related shutdown on atmospheric carbon dioxide level in the city of Kolkata. Parana Journal of Science and Education, 6 (3), 84-92, 2020.
Mesas-Carracosa, F.-J., F. P. Porras, P. Trivino-Tarradas, A. Garcia-Ferrer, J. E. Merono-Larriva: Effect of lockdown measures on atmospheric nitrogen dioxide during SARS-CoV-2 in Spain. Remote Sensing, 12 (14), 2210, https://doi.org/10.3390/rs12142210, 2020.
Nakada, L. Y. K. and R. C. Urban: COVID-19 pandemic: Impacts on the air quality during the partial lockdown in Sao Paulo state, Brazil. Science of the Total Environment, 730 (139087), https://doi.org/10.1016/j.scitotenv.2020.139087, 2020.
Navinya, C. G. Patidar, H. C. Phuleria: Examininf effects of the COVID-19 national lockdown on ambient air quality across urban India. Aerosol Air Quality Research, https://doi.org/10.4209/aaqr.2020.05.0256, 2020.
Otmani, A., A. Benchrif, M. Tahri, M. Bounakhla, E. M. Chakir, M. El Bouch and M. Krombi: Impact of Covid-19 lockdown on PM10, SO2 and NO2 concentrations in Salé City (Morocco). Science of The Total Environment, 735 (139541), https://doi.org/10.1016/j.scitotenv.2020.139541, 2020.
Rodriguez-Urrego, D., and L. Rodriguez-Urrego: Air quality during the COVID-19: PM2.5 analysis in the 50 most polluted capital cities in the world. Environmental Pollution 266, 115042, https://doi.org/10.1016/j.envpol.2020.115042, 2020.
Sharma, S., M. Zhang, Anshika, J. Gao, H. Zhang, S. H. Kota: Effect of restricted emissions during COVID-19 on air quality in India. Science of the Total Environment, 728 (138878), https://doi.org/10.1016/j.scitotenv.2020.138878, 2020.
Shi, X. and G. P. Brasseur: The response in air quality to the reduction of Chinese Economic Activities during the COVID-19 Outbreak. Geophysical Research Letters, https://doi.org/10.1029/2020GL088070, 2020.
Siciliano, B., G. Carvalho, C. M. da Silva, G. Arbilla: The impact of COVID-19 partial lockdown on primary pollutant concentrations in the atmosphere of Rio de Janeiro and Sao Paulo megacities (Brazil). Bulletin of Environmental Contamination and Toxicology 105, 2-8, https://doi.org/10.1007/s00128-020-02907-9, 2020.
Suhaimi, N.F., Jalaludin, J. and Latif, M.T.: Demystifying a Possible Relationship between COVID-19, Air Quality and Meteorological Factors: Evidence from Kuala Lumpur, Malaysia. Aerosol Air Quality Research 20: 1520–1529. https://doi.org/10.4209/aaqr.2020.05.0218, 2020.
Sussmann, R. and M. Rettinger: Can We Measure a COVID-19-Related Slowdown in Atmospheric CO2 Growth? Sensitivity of Total Carbon Colomn Observations. Remote Sensing, 12 (15), 2387, https://doi.org/10.3390/rs12152387, 2020
Venter, Z.S., K. Aunan, S. Chowdhury, and J. Lelieveld:CIVID-19 lockdowns cause global air pollution declines. Proccedings of the National Academy of Sciences of the United States of America (PNAS),https://doi.org/10.1073/pnas.2006853117, 2020.
Wang, Y. Y. Yuan, Q. Wang, C. Liu, Q. Zhi, and J. Cao: Changes in air quality related to the control of coronavirus in China: Implications for traffic and industrial emissions. Science of the Total Environment, 731 (139133), https://doi.org/10.1016/j.scitotenv.2020.139133, 2020.
Wang, L., M. Li, S. Yu, X. Chen, Z. Li, Y. Zhang, L. Jiang, Y. Xia, J. Li, W. Liu, P. Li, E. Lichtfouse, D. Rosenfeld, J. Seinfeld: Unexpected rise of ozone in urban and rural areas, and sulfur dioxide in rural areas during the coronavirus city lockdown in Hangzhou, China: implications for air quality. Environmental Chemistry Letters, https://doi.org/10.1007/s10311-020-01028-3, 2020.
Wang, P., K. Chen, S. Zhu, P. Wang, and H. Zhang: Severe air pollution events not avoided by reduced anthropogenic activities during COVID-19 outbreak. Resources, Conservation and Recycling, 158 (104814), https://doi.org/10.1016/j.resconrec.2020.104814, 2020.
Xu K., Cui, K., Young, L.H., Wang, Y.F., Hsieh, Y.K., Wan, S. and Zhang, J. (2020). Air Quality Index, Indicatory Air Pollutants and Impact of COVID-19 Event on the Air Quality near Central China. Aerosol Air Quality Research 20: 1204–1221. https://doi.org/10.4209/aaqr.2020.04.0139, 2020.
Zalakuviciute, R., R. Vasquez, D. Bayas, A. Buenano, D. Mejia, R. Zegarra, A. Diaz, B. Lamb: Drastic improvements in air quality in Ecuador during the COVID-19 outbreak. Aerosol Air Quality Research 20: 1204–1221. https://doi.org/10.4209/aaqr.2020.05.0254, 2020.
Zambrano-Monserrate, M. A. Ruano: Has air quality improved in Ecuador during the COVID-19 pandemic? A parametric analysis. Air Quality, Atmosphere and Health 13, 929-938, https://doi.org/10.1007/s11869-020-00866-y, 2020.
Zhang, J., K. Cui, Y. Wang, J.-L. Wu, W.-S. Huang, S. Wan, K. Xu: Temporal variations in the air quality index and the impact of the COVID-19 event on air quality in Western China. Aerosol Air Quality Research 20: 1552–1568. https://doi.org/10.4209/aaqr.2020.06.0297, 2020.
Zhang, R., Y. Zhang, H. Lin, X. Feng, T.-M. Fu, and Y. Wang: NOx Emission Reduction and Recovery during COVID-19 in East China. Atmosphere, 11 (4), 433, https://doi.org/10.3390/atmos11040433, 2020.
Zhao, Y., K. Zhang, X. Xu, H. Shen, X. Zhu, Y. Zhang, Y. Hu, and G. Shen: Substantial changes in nitrogen dioxide and ozone after excluding meteorological impacts during the COVID-19 outbreak in mainland China. Environmental Science and Technology Letters, http://doi.org/1à.1021/acs.estlett.0c00304, 2020.
Zhu, Y., J. Xie, F. Huang, L. Cao: Association between short-term exposure to air pollution and COVID-19 infection: Evidence from China. Science of the Total Environment, 727, 138704, https://doi.org/10.1016/j.scitotenv.2020.138704, 2020.
Zoran, M. R. Savastru, D. M. Savastru, M. N. Tautan: Assessing the relationship between surface levels of PM2.5 and PM10 particulate matter impact on COVID-19 in Milan, Italy. Science of the Total Environment, 738 (139825), https://doi.org/10.1016/j.scitotenv.2020.139825, 2020.