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

Most of the Chicago area remains under an Air Quality Alert on Saturday due to smoke from Canadian wildfires. The alert was, at one point, set to expire late Friday night for most of the area, but it ...

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.

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

Wildfire smoke from the Prairies has prompted special air-quality statements and warnings across the country Saturday.