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

DEQ air monitoring stations showed "moderate" air quality across most of Portland Wednesday morning. It's expected to rapidly ...

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

An air quality alert was issued on Tuesday at 5:03 a.m. for Josephine County.

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

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

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

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

The Oregon Department of Environmental Quality issued an air quality advisory for Eastern Lane, Eastern Linn, Eastern Marion, ...

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

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

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