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

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

Parts of the Greater Toronto Area and surrounding communities are under a special air quality statement Friday morning as ...

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

Smoke from the Canadian wildfires has triggered air quality warnings in several provinces and surrounding U.S. states. As of ...

Wildfire smoke spreading throughout northwestern Ontario has prompted closures and event cancellations on Tuesday.

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

Wildfires scorching several Canadian provinces have driven at least 33,400 people from their homes, with smoke now reaching ...

The U.S. Environmental Protection Agency warns that wildfire smoke contains dangerous pollutants in the form of fine ...

Smoke from forest fires as far away as northwestern Ontario and the prairies are continuing to cause poor air quality for ...

The country's legacy of mining means that toxic metals could be carried along plumes of smoke, endangering people in its path ...

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