Official air-quality results for Kyrene de la Sierra Elementary School show elevated levels of potentially harmful chemicals.

An air quality advisory has been issued for Mason County as the Bear Gulch Fire continues to burn north of Lake Cushman.

Because of Canadian wildfires, Minnesota high schools have had to watch how they practice to begin the season in a number of ...

An air quality alert was reported by the National Weather Service on Tuesday at 12:17 p.m. in effect until 8 p.m. for ...

Ozone pollution in Portland, Gresham and other cities could reach unhealthy levels for sensitive groups Tuesday afternoon.

Researchers at The University of Alabama in Huntsville (UAH) have published a paper in Communications Earth & Environment ...

While not everyone will be impacted by air quality on Wednesday, those who have been sensitive to poor air quality this ...

Air quality alerts have been issued across parts of Texas, Minnesota, Connecticut, Colorado and Washington for Wednesday.

OLYMPIC NATIONAL FOREST, Wash. — The Bear Gulch Fire within the Olympic National Forest and National Park has now prompted an ...

State and federal agencies recommend several steps to keep indoor air cleaner during wildfire smoke events: Upgrade your air ...

This exposure can be exacerbated while moving quickly, Diaz-Sanchez says. And even exposure to one spike can be “really bad,” ...