Envis Centre, Ministry of Environment & Forest, Govt. of India

Printed Date: Wednesday, October 20, 2021

Air quality improves in over 90 cities

 

 

 

 

 

 

 

Lockdown has reduced vehicular traffic across the country, leading to a drop in PM2/5, NO2 levels

 

 

 

 

 

 

 

 

 

Source: The Hindu, 30/3/20, Chennai