Mayor Jim Kenney @PhillyMayor
A new @PHLPublicHealth report shows that levels of three air pollutants dropped since the statewide COVID-19 order. Compared to the prior month: ⬇️Nitrogen dioxide down 22% ⬇️Fine particulate matter down 18% ⬇️Carbon monoxide down 25% Read the report: https://t.co/rD1VGbTHb9 — PolitiTweet.org