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

Specialized air quality instruments captured a spike in lead, chlorine, and bromine pollution during the L.A. wildfires. As ...

Even though the Palisades and Eaton fires are now mostly contained, the Santa Ana winds have led to new fires flaring up ...

Poor air quality isn't always obvious, but it's a serious health issue affecting both our indoor and outdoor environment ...

Air purifiers are a great tool for improving your indoor air quality. You could also invest in a sensor just so you know what ...

I’m very happy to say what we studied, what we expected and what we planned for is what seems to be happening,” the MTA’s ...

Toxic smoke and dangerous particulate pollution are spreading far beyond the flames, leaving air quality at unhealthy levels ...

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, Greater Burke, McDowell Mountains and Eastern McDowell as well as Yancey ...

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

If you have been hearing about poor air quality in New York City Friday, you can breathe a deep sigh of relief (literally): ...

Dust and ash left behind from the wildfires across Southern California can be irritating and hazardous when inhaled.

Even with thick smoke coming from the Hughes Fire, skies have been clear in many areas, and the air quality forecast has been ...