The Inland Northwest is stuck under a ridge of high-pressure and will stay under this ridge for the next several days.

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

: N.J. pool company was supposed to be shut down when it burned in massive fire, local officials say The day after a fire ...

Those groups particularly sensitive to particulate matter in the air may want to limit time outside Friday and Saturday.

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

A ridge of high pressure will maintain stable conditions, supporting valley inversions, strong cold pools, haze, and ...

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

The San Diego APCD has extended an air quality alert due to increased fine particle pollution from wildfire smoke for San ...

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

The Air Quality Index measured 156 near Forks, Washington, and received a rating of "unhealthy," meaning some members of the ...

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

On Wednesday at 3:18 p.m. an updated air quality alert was issued valid until Thursday at 6 p.m. The alert is for Ventura ...