Skip to main contentSkip to main content
Updating results

Pollutant

COVID-19 lockdowns resulted in better air quality due to decreased commercial activity and automobile traffic. The lifting of lockdowns and a recent surge of wildfires in Western and Mountain states has quickly reversed this trend.

While air pollution in the U.S. has improved remarkably since the passage of the Clean Air Act, millions of people nationwide still live in counties where air pollution levels exceeded air quality standards.

Get up-to-the-minute news sent straight to your device.

Topics

Breaking News