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

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

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

Wildfire smoke spreading throughout northwestern Ontario has prompted closures and event cancellations on Tuesday.

Prolific smoke that’s blown across North America and beyond over the past couple of weeks will bring reduced air quality to ...

The U.S. Environmental Protection Agency warns that wildfire smoke contains dangerous pollutants in the form of fine ...

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

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

Wildfire smoke blowing into Ontario has been dropping air quality to lows rivalling those from the 2023 wildfire season.

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

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

Online map tools and resources let you track the Canadian wildfires and monitor poor air-quality conditions, which are ...