An Air Pollution Action Day was called Wednesday morning for the Chicago area and is in effect until midnight, weather ...

Air quality has slightly declined in the Jacksonville metropolitan area, after three years in a row of being named one of the ...

WASHINGTON (Reuters) -President Donald Trump's administration has proposed repealing rules passed under former President Joe ...

The Trump administration's Environmental Protection Agency is taking aim at dozens of rules aimed at protecting the ...

A gray haze from wildfire smoke could be seen in Cincinnati, and the entire state of Minnesota is under an air quality alert.

A World War II-era boiler in Virginia is at the center of a growing debate over the paper industry’s role in climate change — ...

Only 25 of New York’s 62 counties could be graded for at least one measure of air quality, according to the report. Putnam ...

Smoke from Canadian wildfires has carried another day of poor air quality south of the border to the American Midwest ...

The Dallas-Fort Worth Air Quality Improvement Plan includes 44 measures to reduce air pollution in the region.