A sweeping air quality alert has been issued for Greater Los Angeles, as the region's unique geography and persistent ...

Air quality around the Bay Area on Wednesday reached moderately unhealthy levels, as a noticeable haze was hovering around the region on Wednesday. Part of the reason for the poor air quality is due ...

Most times, it's great when Salt Lake City and Utah are ranked highly when compared to other states and cities across the ...

Utah! High pressure is sticking around for today but will start shifting south and east by Thursday. Inversions are getting ...

Indoor air quality often gets overshadowed by the outdoor pollution debate, but here’s a reality check: we spend 85% of our ...

An updated air quality alert was issued on Tuesday at 3:59 p.m. in effect until Thursday at midnight. The alert is for San ...

It’s official. Salt Lake City has the worst air quality in the United States for a major city thanks to the building ...

An air quality alert was issued on Wednesday at 11:37 a.m. for Lake County.

An air quality alert was issued on Wednesday at 1:09 p.m. in effect until Friday at midnight. The alert is for Catalina and ...

Unhealthy air quality has descended on parts of the Bay Area thanks to a combination of cold weather, dense fog and smoke.

Wednesday will bring another foggy morning to parts of Northern California, but unhealthy air quality is also expected to ...

Air quality across the Sacramento region is forecast to be unhealthy for sensitive groups on Monday. “A stretch of cold ...