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.

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 ...

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

Missoula is under an Air Stagnation Advisory until Friday. But, what exactly does that mean? Let's learn more about ...

Anti-aging influencer Bryan Johnson, all set to appear in Nikhil Kamath’s podcast ‘WTF is with Nikhil Kamath’, is evidently ...

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 ...

Earlier, Grap-3 restrictions were reimposed in Delhi after the city's AQI dropped to 'severe' level on Wednesday (January 29) ...

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

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

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