An air quality alert was issued on Thursday at 3:31 p.m. in effect until Friday at 7:15 a.m. The alert is for Burke Mountains ...

An air quality alert was issued on Tuesday at 5:03 a.m. for Josephine County.

The advisories impact large areas of Idaho, Oregon, Montana and Washington, lasting through the end of January.

On Tuesday at 12:56 p.m. the National Weather Service issued an air stagnation advisory in effect until Friday at 4 a.m. for ...

Border 2 Fire Size: 6,625 acres, 10% contained Evacuation orders: SDC-2389-A, SDC-2390, SDC-2464, SDC-2465, SDC-2466, ...

As Lunar New Year celebrations kick off across the Bay Area, officials urged residents to avoid fireworks, firecrackers and wood-burning activities that could contribute to air pollution. The Bay Area ...

Three active fires in Los Angeles neared full containment Sunday, as the region receives much-needed rain that has produced ...

Jan. 22, 10:30 a.m. PST Cal Fire data marked the Palisades Fire at 68% containment and the Eaton Fire at 91% containment, ...

An air quality alert was issued on Friday at 12:07 p.m. in effect until Sunday at midnight. The alert is for Calabasas and ...

An air quality alert was issued on Friday at 12:06 p.m. in effect until Saturday at 12:15 p.m. The alert is for San ...

The Inland Northwest is stuck under a ridge of high-pressure and will stay under this ridge for the next several days.

Researchers contributing to the ASCENT network of air quality sensors observed spikes in lead and chlorine downwind from the ...