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 ...

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

Much of Ontario remains under special air quality statements or warnings today amid smoke from wildfires burning in other parts of Canada.

Quebec joined southern Ontario locations on the list of record breaking air quality levels to finish the week. Montreal even topping the list for the worst air quality on Earth for major cities ...

Smoke from wildfires burning in other parts of Canada  has prompted Environment Canada to issue air quality warnings or ...

Environment Canada issued a special air quality statement for Toronto and most of Ontario due to the smoke from wildfires ...

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

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

Romanic said the summer forecast by Environment and Climate Change Canada showed continued hot and dry conditions throughout this summer, particularly in northern Ontario and the western provinces.

For air quality, meteorologists’ models show smoke is likely to drift back to southern Ontario late Saturday or Sunday.