Lockdown Impact on Particulate Matter and Role of Meteorological Parameters in the Transmission of Covid-19
Manish Sharma and Pargin Bangotra
The coronavirus disease (COVID-19) was first noticed over Wuhan, China during December 2019. The spreading characteristics of COVID-19 infection from one person to another are resulting in a growing number of infected cases and created massive stresses across the world. The rapid dissemination of COVID-19 infection declares it as a pandemic. In India, till the mid of May 2020, there were around 75,048 confirm with 2440 number of death cases, specifically due to COVID-19. To break the chain of COVID-19, the Government of India had decided to implement the lockdown, first implemented on 23rd March 2020. Some of the significant benefits of lockdown resulted in the reduction in atmospheric pollutants of the cities across the world. The study is based on the fine and coarse particulate matters (PM) data corresponding to before lockdown and during lockdown periods. The efforts were made over Delhi (DEL) and one of the neighbouring cities, i.e. Gurgaon (GW) considering the duration 1st January 2020 to 15th May 2020 to understand the impact of lockdown on the particulate matter, i.e. PM (PM1.0, PM2.5 and PM10). Our investigation shows the decline in PM concentration during the lockdown period. The impact of COVID-19 pandemic resulted in the rapid increase in the number of COVID-19 cases in DEL, India, and the inhabitants of about 14 million people. The significance of the particulate matter, temperature (°C) and relative humidity (%) on the dispersal of COVID-19 virus and its association to the total number of cases (TC), active cases (AC), recovered cases (RC) and death cases (DC) with special reference to DEL were also discussed.
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