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

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

The Maricopa County Air Quality Department wants to find out how much you know about high pollution advisories, no burn days ...

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 ...

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

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

Maricopa and Pinal counties both failed to meet federal air quality standards and will now become part of an Arizona State ...

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 ...

The Oregon Department of Environmental Quality issued an air quality advisory for Eastern Lane, Eastern Linn, Eastern Marion, ...

Oregon DEQ issues air quality advisory for several counties due to air stagnation trapping smoke and pollutants.

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

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