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

You could see what you were breathing on the Wasatch Front Wednesday as fine particulate pollution, PM 2.5, was unhealthy for ...

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

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

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 ...

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

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 ...

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

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

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

With a wind speed of 140 kmph, Wednesday witnessed city’s air improving and AQI dropping to 140 and the air quality was ...

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