An air quality health advisory is in effect in Mesa, Delta and Montrose counties through Thursday, and the Colorado Department of Public Health and Environment has issued an ozone action day alert for ...

Smoke from the Bear Gulch Fire in the Olympic National Forest near Lake Cushman has been drifting across a large swath of Western Washington and intermittently worsening the air quality throughout the ...

Smoke from wildfires in Canada continues to drift over the United States and has made it harder to breathe in some states. How is Ohio being impacted? Here's what to know. According to USA TODAY, ...