Blazes across several Canadian provinces and territories pose health risks to Canadians and their southern neighbours.

For the full 24 hours of Aug. 3, the New York State Department of Environmental Conservation is issuing an air quality health ...

Smoke from raging wildfires in Canada is causing air quality alerts to blanket the Midwest. Lissette Nuñez is live from Chicago's Lollapalooza music festival.

The Canadian government’s map of wildfire smoke fine particulate matter models for Aug. 2-3 shows smoke will intensify over ...

Smoke from Canadian wildfires hovered over several Midwestern states Saturday, bringing warnings of unhealthy air ...

S moke from Canadian wildfires has sent a blanket of smoke over the midwestern United States this weekend. The National ...

Chicago's Air Quality Alert continues due to Canadian wildfire smoke, with health advisories for sensitive groups amidst ...

An Air Quality Action Day was issued for several northern Indiana cities on Friday due to Canadian wildfire smoke.

Chicago had the worst air quality in the world for a few hours Thursday, thanks to smoke from Canadian wildfires.

While the haze slightly lifted Saturday morning, air quality levels are expected to worsen across the Chicago area over the ...

The National Weather Service reported an air quality alert at 11:22 a.m. EDT on Saturday in effect until Monday at midnight ...