Toronto is currently the second most polluted major city in the world as wildfire smoke spreads across the city, according to a global tracker. The ranking by IQAir, a Swiss air quality technology ...

Parts of Canada are seeing some of their most unhealthy air yet, and the smoke is likely to move over the United States again ...

Smoke from wildfires ravaging northern Manitoba has impacted thousands of people in Winnipeg as poor air quality has forced ...

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

Canada had its most destructive series of wildfires ever, and one expert says the country is currently on track this year to ...

Air quality alerts and advisories have been issued in multiple states as Canadian wildfire smoke continues to spread.

The Michigan Air Quality Division said as smoke from Canadian wildfires continues to threaten the upper Midwest, "monitors in ...

Canadian wildfire smoke continues to cause hazy conditions across the Granite State, and it's impacting air quality in many areas. The Department of Environmental Services has declared an air quality ...

In an ominous reminder of the summer of 2023, Canada’s worst wildfire season on record, smoke from the wildfires has been ...

The alert was issued by the National Weather Service early Thursday afternoon and will remain in effect until 10 p.m. As of 2:30 p.m., most of West Virginia and most of the Northeast had moderate air ...

Wildfires are continuing to burn across western and central Canada as the number of people who’ve been evacuated climbs to more than 30,000. The conditions are hot and dry, similar to what was ...

Massive clouds of pollutants could collide in North Carolina this week and result in poor air quality conditions for millions. Smoke from more than 100 wildfires burning in Canada has drifted into the ...