As San Luis County's Madre Fire rips through California, air quality warnings are now being issued for nearby areas, ...

A regional air quality alert was issued for much of Southern California as harmful levels of fine particle pollution spread ...

Thousands of Americans have been urged not to drive on Wednesday amid concerns over high air pollution levels. Ozone Action ...

An air quality alert was issued Thursday by the National Weather Service for the entire Chicago area through Friday night.

Extreme heat will continue to impact the Coachella Valley today and Thursday, with high temperatures soaring between 114°F ...