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

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

As the air quality in Delhi-NCR worsened and the Air Quality Index (AQI) touched 'Severe' levels on Wednesday, the Commission ...

Recent data from the Environmental Protection Agency shows air quality in certain regions of the U.S. is deteriorating, ...

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 ...

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

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

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 ...

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

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