New Jersey's air is cleaner this March compared to 2019

Levels of PM 2.5, a measure of particulate matter in the air, are overall lower this March compared to March 2019. This chart shows statewide averages of PM 2.5 (measured in ug/m3 LC) from 12 testing sites.

Chart: J. Dale Shoemaker Source: U.S. Environmental Protection Agency Get the data Created with Datawrapper