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 ...

Lightning, which is more common in hotter temperatures, is usually the cause of wildfires that burn the most land. In 2023, ...

Quebec joined southern Ontario locations on the list of record breaking air quality levels to finish the week. Montreal even ...

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

Environment Canada has again issued caution for residents in Eastern Ontario and Western Quebec Friday as wildfire smoke ...

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

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 ...

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