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.

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 ...

The Air Quality Index (AQI) can tell you a lot about the health of the environment, but there are still measures you can take ...

Experts say that even after fires are contained and extinguished, health risks from ash, smoke, and toxic materials, ...

Air quality in Los Angeles has improved as the Palisades and Eaton wildfires get under control. But as the fires burned ...

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

Erin Davis/Axios Visuals Air quality in the Twin Cities is getting worse, according to year-over-year data. Why it matters: Long-term exposure to poor air quality is harmful to your health. By the ...

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 ...

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