If you thought that the air quality improved during the initial COVID-19 lockdown, you were right. A recently published Tufts-led study found a direct connection between the stay-at-home orders following the COVID-19 outbreak this spring with improved air quality in Somerville, Massachusetts, neighborhoods located next to Interstate 93 and busy side roads.
Click here for original story, Yes, the air was better during lockdown, study shows
Source: Phys.org