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

Much of southern Ontario was under an air quality statement on Thursday and Friday that lifted early Saturday morning.

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

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 ...

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

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

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

Smoke will likely be an ongoing health hazard across North America for the next few months. Here's what to expect.

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