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Vol. 34 No. 5 (2022): Vol 34 Issue 5, 2022

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Variation in Aerosol Optical Depth (AOD), NO2 and Tropospheric Ozone Column during the Lockdown Period Amid COVID-19 Pandemic over India

https://doi.org/10.14233/ajchem.2022.23544
Neha Bhadauria
Amity Institute of Environmental Sciences, Amity University, Sector-125, Noida-201301, India
Abhishek Chauhan
Amity Institute of Environmental Toxicology, Safety and Management, Amity University, Sector-125, Noida-201301, India
Rajnish Ranjan
National Institute of Disaster Management, Jai Singh Marg, New Delhi-110001, India
Tanu Jindal
Amity Institute of Environmental Toxicology, Safety and Management, Amity University, Sector-125, Noida-201301, India

Corresponding Author(s) : Abhishek Chauhan

akchauhan@amity.edu

Asian Journal of Chemistry, Vol. 34 No. 5 (2022): Vol 34 Issue 5, 2022

Abstract

With the emergence of COVID-19 in late December 2019 in China and its exponential spread around the globe, on 11th March 2020 WHO declared it global pandemic. The first case of novel coronavirus in India was reported on 30th January 2020 in Kerala state of India. India is currently experiencing the worst situation amid COVID-19 pandemic with its 3rd position having the highest number of confirmed cases amongst the countries around the world with huge social and economic losses. Many studies reported that there is an improvement in air quality around different parts of the world due to cessation of vehicular, industrial and anthropogenic activities. The present study highlights the impact of COVID-19 pandemic on air quality over India during the lockdown period amid COVID-19 pandemic. Results revealed the significant decline in NO2 and aerosol optical depth (AOD) all around in India except for ozone. There has been a considerable decline in air pollution because of restricted activities during COVID-19 pandemic over India. Meteorological factors may not be directly related to the number of outbreaks. Although the COVID-19 lockdown has a negative impact on economic aspects but it has a positive impact on air quality. The COVID-19 pandemic impacted the lives of millions and having numerous global implications made humans believe that nothing will be normal as earlier. The study may help authorities and policy makers on taking specific measures for the pandemic it can be helpful in future to frame policies to reduce air pollution by policy makers.

Keywords

Air quality Air quality COVID-19 pandemic COVID-19 pandemic Tropospheric ozone column Tropospheric ozone column Aerosol optical depth Aerosol optical depth NO2 NO2 Lockdown Lockdown India India
Bhadauria, N., Chauhan, A., Ranjan, R., & Jindal, T. (2022). Variation in Aerosol Optical Depth (AOD), NO2 and Tropospheric Ozone Column during the Lockdown Period Amid COVID-19 Pandemic over India. Asian Journal of Chemistry, 34(5), 1105–1112. https://doi.org/10.14233/ajchem.2022.23544
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