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

On Friday at 9:02 a.m. an air quality alert was reported by the Nation Service in effect until 11 p.m. for Passaic, Hudson, ...

“Today is Liberation Day in the state of California,” Gavin Newsom proclaimed today in downtown L.A. of the legislative ...

High school coaches and administrators across Minnesota have been asked to be aware of air-quality levels as athletes return ...

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

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

The Trump administration is backing a trucking industry lawsuit against the state’s plan to lower emissions and switch to electric vehicles.

While the smoke is worst along the Western Slope where the fires are burning, levels are also fluctuating on the Front Range.

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

The City Council dropped a $202 million effort that would have expanded the city’s cooling centers to also accommodate people ...