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

Weather conditions are trapping smoke and other air pollutants near the ground where people breathe, officials said.

A fire at the Owl Metals recycling facility that caused the Peninsula Expressway to shut down is still causing an air quality ...

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

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

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

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.

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

Cambridge residents and businesses are being invited to have their say on proposals to replace the current smoke control ...

Erin Davis/Axios Visuals Air quality is worsening in the Upper Midwest and Northern California, according to year-over-year data. Why it matters: Poor air quality can lead to long-term health problems ...