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

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 ...

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.

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.

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

In addition to the eastern US, the smoke from the fires has caused air quality to drop to unhealthy levels in parts of the ...