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.

After fires destroyed multiple neighborhoods across Los Angeles County, many residents looked up to find blue, smoke-free ...

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

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

Retrofitting with modern HVAC units equipped with higher-efficiency filters and smart sensors can help to reduce airborne ...

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

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

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 ...

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

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

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