Delhi breathes clean air again as pollution levels come down amid COVID-19 lockdown

The average Particulate Matter 2.5 (PM2.5) in May 2021 was recorded at around at 55-56 ug/m3 in Delhi during the lockdown period. 

https://ift.tt/eA8V8J The average Particulate Matter 2.5 (PM2.5) in May 2021 was recorded at around at 55-56 ug/m3 in Delhi during the lockdown period.  from Zee News :India National https://ift.tt/34HE3O6