Articles | Volume 21, issue 11
Atmos. Chem. Phys., 21, 9047–9064, 2021
https://doi.org/10.5194/acp-21-9047-2021
Atmos. Chem. Phys., 21, 9047–9064, 2021
https://doi.org/10.5194/acp-21-9047-2021

Measurement report 15 Jun 2021

Measurement report | 15 Jun 2021

Measurement report: An assessment of the impact of a nationwide lockdown on air pollution – a remote sensing perspective over India

Mahesh Pathakoti et al.

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Cited articles

Beig, G., Korhale, N., Rathod, A., Maji, S., Sahu, S. K., Dole, S., Latha, R., and Murthy, B. S.: On modelling growing menace of household emissions Under COVID-19 in Indian Metros, Environ. Pollut., 272, 115993, https://doi.org/10.1016/j.envpol.2020.115993, 2021. 
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Biswal, A., Singh, T., Singh, V., Ravindra, K., and Mor, S.: COVID-19 lockdown and its impact on tropospheric NO2 concentrations over India using satellite-based data, Heliyon, 6, e04764. https://doi.org/10.1016/j.heliyon.2020.e04764, 2020. 
Biswal, A., Singh, V., Singh, S., Kesarkar, A. P., Ravindra, K., Sokhi, R. S., Chipperfield, M. P., Dhomse, S. S., Pope, R. J., Singh, T., and Mor, S.: COVID-19 lockdown-induced changes in NO2 levels across India observed by multi-satellite and surface observations, Atmos. Chem. Phys., 21, 5235–5251, https://doi.org/10.5194/acp-21-5235-2021, 2021. 
Boucher, O., Randall, D., Artaxo, P., Bretherton, C., Feingold, G., Forster, P., Kerminen, V.-M., Kondo, Y., Liao, H., Lohmann, U., Rasch, P., Satheesh, S. K., Sherwood, S., Stevens, B., and Zhang, X. Y.: Clouds and Aerosols, in: Climate Change 2013: The Physical Science Basis. Contribution of Working Group I to the Fifth Assessment Report of the Intergovernmental Panel on Climate Change Stocker, edited by: Stocker, T. F., Qin, D., Plattner, G.-K., Tignor, M., Allen, S. K., Boschung, J., Nauels, A., Xia, Y., Bex, V., and Midgley, P. M.: Cambridge University Press, Cambridge, United Kingdom and New York, NY, USA, available at: https://www.ipcc.ch/report/ar5/ (last access: 5 October 2017), 2013. 
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Short summary
Generally, atmospheric pollutants exhibit seasonal and annual variations with space and time in addition to episodic events. Hence it is important to quantify the changes that occurred due to episodic events such as lockdown in this case. Therefore in our study, we intended to show the lockdown-induced changes of tropospheric NO2, carbon monoxide (CO), and AOD in addition to the effect of inter-annual variability on these pollutants. Further observed changes were statistically evaluated.
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