Wildfire smoke is choking Wisconsin for a third straight spring. The hazy, dirty air from Canada — “some of the highest ...

The U.S. Environmental Protection Agency warns that wildfire smoke contains dangerous pollutants in the form of fine ...

An air quality map shows conditions improving in the U.S. on Friday as smoke from the Canadian wildfires subsides.

Smoke from Canadian wildfires continues to plague the Upper Midwest and Great Lakes region, with multiple states under air ...

Canada is having another bad wildfire season, and more than 27,000 people in three provinces have been forced to evacuate.

A red advisory for unhealthy air will continue for southern and eastern Wisconsin until noon Thursday, the Wisconsin ...

This early-season smoke is a stark reminder that fire season is no longer confined to the West or wild areas, and more ...

An air quality advisory for much of Wisconsin remains in effect until noon on June 5. Here's how you can keep kids and pets ...

More than 200 wildfires are raging across Canada, sending a thick blanket of choking smoke through the U.S. Midwest. Experts ...

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

Smoke from wildfires in Canada has spread more than 5,000 miles, reaching parts of Russia and Europe during the past week.

An upper-level low pressure system will draw south another thick plume of smoke from Canada. This will create another round ...