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

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

Wildfire activity has not slowed down in northwestern Ontario as three First Nations remain under evacuation, with hundreds ...

Environment Canada says wildfire smoke conditions in Eastern Ontario and Western Quebec are expected to continue into ...

Much of Ontario remains under a special air quality statement on Friday morning as a haze of wildfire smoke chokes out the ...

Smoke from Canadian wildfires has also been drifting into parts of the United States and as far as Europe. The U.S.

Toronto’s air quality is ranked among the worst in the world today as smoke from wildfires drifts into the region.

Prolonged exposure to wildfire smoke can have short- and long-term impacts on one's health, especially for those with chronic ...

Environment Canada is warning Toronto residents to limit their time outdoors today due to poor air quality caused by wildfire ...

With wildfire smoke looming over Ontario, Environment Canada has issued air quality watches and statements for a large portion of the province.