An air quality alert was issued by the National Weather Service in Mount Holly at 9:43 a.m. on Friday, Aug. 15.

Allegheny County is increasing air quality monitoring after an explosion at a U.S. Steel plant south of Pittsburgh killed two ...

The Kyrene School District released an air quality report on Tuesday showing the air quality measurement at the Kyrene De La ...

Wildfires are burning across the Western United States and Canada, affecting large parts of the country as smoke drifts. With ...