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

In the wake of the Palisades and Eaton fires, concerns about air quality across the county have been on the rise.

Learn what the air quality index (AQI) means, how it impacts your health, and how to stay safe when pollution is high.

One possible reason for bad air quality in the city is a fire that broke out yesterday afternoon in Lancaster, Pennsylvania, ...

In response to multiple fires that impacted air quality across Los Angeles, the City Council voted to request a report on ...

Worries about bad air quality from wildfire smoke have been on the rise since the fires broke out and lots of discussion — and misinformation — populates social media these days. Here are some ...

Track and cross-country runners at Utah's universities say they notice bad-air days along the Wasatch Front — and sometimes ...

Millions of people living in California have been warned against doing any outdoor activity because of bad air quality amid ...

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

Delhi recorded an average AQI of 350 at 6 AM on Friday. The increasing pollution in the region led the Commission for Air ...

Worries about bad air quality from wildfire smoke have been on the rise since the fires broke out and lots of discussion — and misinformation — populates social media these days. Here are some ...