Delhi breathes clean air again as pollution levels come down amid COVID-19 lockdown Moudgil 7:55 PM Moudgil 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 :State https://ift.tt/34HE3O6 via Tweet Share Share Share Share Related Post