Canada's wildfires have burned more than 13.6 million acres (5.5 million hectares) this year, an area roughly the size of Croatia, officials said Friday as the country endures one of its most ...

Much of the Upper Midwest on Saturday was dealing with swaths of unhealthy air because of drifting smoke from Canadian wildfires, covering the northern region o ...

Canada's wildfires have burned more than 13.6 million acres (5.5 million hectares) this year, an area roughly the size of Croatia, officials said Friday as the country endures one of its most ...

Canada's wildfires have burned more than 13.6 million acres (5.5 million hectares) this year, an area roughly the size of Croatia, officials said Friday as the country endures one of ...

Environment Canada issued alerts for much of Ontario, warning that wildfire smoke had significantly degraded air quality. On Monday, Toronto's air quality ranked among the worst in the world.

TORONTO — Much of Central Canada, Manitoba and Saskatchewan were placed under special air quality statements or warnings on Monday due to smoke from wildfires, as Environment Canada advised ...

Eyewitness video from Friday (July 11) shows thick smoke columns billowing from the White Sage Fire spreading across the North Rim of Arizona's Grand Canyon.

The Dragon Bravo Fire in Arizona has destroyed dozens of structures and a water treatment facility on the Grand Canyon's North Rim.

Smoke from wildfires in Manitoba, a Western province facing its worst fire season in 30 years, has created hazardous air quality conditions across Eastern Canada and the United States.