As hazardous chemicals pollute the air after devastating wildfires, officials call for increased monitoring to protect ...

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.

Public comments on a proposed state rule aimed at improving air quality in Fairbanks and North Pole close Friday, leaving ...

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.

So he wants Arizona to sue any person from any other state or country whose emissions damage the air quality here.

Rushcliffe’s only remaining Air Quality Management Areas (AQMAs) at Trent Bridge and the A52 at Stragglethorpe could now be ...

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

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

The parent said air purifiers can help students understand data collection by learning how purifiers measure pollutants.