Hundreds of wildfires still burning in Canada are expected to undermine air quality across the Upper Midwest and Northeast ...

With nearly 70 large-scale wildfires burning more than 1 million acres across the western U.S. and parts of Canada, Wisconsin ...

As Canadian wildfires spread smoke across the U.S. the air pollution is dangerous to health. But there are ways to protect ...

PM2.5 — is expected to push the Air Quality Index over 100, reaching levels unhealthy for sensitive groups, including children, older adults, and people ...

New Yorkers are under an air quality health advisory Monday, Aug. 4, as wildfire smoke and ozone pollution push levels into ...

The Pennsylvania Department of Environmental Protection has issued a Code Orange Air Quality Alert for all counties in the ...

An Air Quality Alert on Monday covering all of southern New England is expected to be lifted by 12 a.m. on Tuesday, according ...

A wildfire burning since July 4 has closed the North Rim of Grand Canyon National Park for the rest of the season.

However, Lake, Porter, Newton and Jasper counties in Indiana will be under another air quality alert all day Tuesday. The ...

State officials on Monday issued an air quality health advisory for most of Western New York and other regions through Tuesday due to the smoke from ongoing wildfires ...

The warning applies to York, Dauphin, Lebanon, Cumberland and Lancaster counties and the entire Susquehanna Valley region.