The advisories impact large areas of Idaho, Oregon, Montana and Washington, lasting through the end of January.
Forecasters are warning that air pollution may become trapped and adversely affect humans, due to weather conditions in the U.S.
After multiple severe wildfires engulfed the area this month, residents have been increasingly concerned about widespread air quality warnings. The blazes, driven by intense Santa Ana winds and ...
San Diego is fighting two battles--- wildfires and air quality. Experts warn of exposure to smoke following Border 2 fire.
Air quality remains a big concern in Los Angeles County, and not just for those nearby the Palisades and Eaton fires.
"Light winds and limited air movement will lead to a period of stagnant air conditions," NWS said, warning of "deteriorating ...