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

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.

Millions of people living in California have been warned against doing any outdoor activity because of bad air quality amid ...

The Coachella Valley is expected to have unhealthy air quality over the weekend as smoke and ash ... While anyone can be ...

An air quality alert was issued on Wednesday at 4:14 p.m. in effect until Thursday at 6 p.m. The alert is for San Bernardino ...

The South Coast Air Quality Management District advised OC residents of potential smoke impacts due to wildfires burning in ...

The National Weather Service using an HVAC system ... safe since they recirculate air indoors. Window units pull air from outside to filter the home, so those are not safe to use during times of poor ...

On Sunday at 4:16 p.m. an air quality alert was issued valid until Tuesday at 10 p.m. The alert is for San Bernardino and ...

The Coachella Valley is expected to have unhealthy air quality over the weekend as ... While anyone can be affected, the National Weather Service warns that people with lung or heart disease ...