More sunshine is on the way for southern Ontario on Sunday, but skies may appear hazy as wildfire smoke continues to drift ...

Poor air quality fuelled by wildfires burning across the Prairies left a large swath of the country enveloped in a haze again ...

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 ...

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

Toxic metals, including arsenic, could be released by Canadian wildfires, posing health risks to those downwind.

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 ...

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

Canadian wildfires continue to burn, and plumes of smoke linger over Michigan. Air quality advisories, alerts on June 5.