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

Happy Wednesday, Utah! It was another frigid start to our Wednesday with mostly clear skies and poor air quality in the ...

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

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.

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

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

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