Aftermath of Lockdown Throughout COVID- 19 Pandemic on Air Quality of Jaipur Vs Some Other Cities

On 22 March 2020, a complete lockdown in India to avoid the COVID-19 outbreak had first been declared, and the lockdown was extended for 21 days in the first process on 24 March 2020. Mostly during the complete lockout, several of the causes of low air quality in India were shut down. This article uses land and satellite measurements to examine AQ, particulate matter-PM2.5, AQI (Air Quality Index), and troposphere Nitrogen Dioxide across India. When comparing the lockout duration in 2020 to a certain period in 2019, a marked decrease in PM2.5 and AQI (Air Quality Index) was witnessed over metro cities and a decreasing pattern in troposphere NO2 intensity. Over the complete lockout time, environmental quality increased greatly, providing valuable insights to city administrations while they formulate laws and policies to increase air quality.