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

Wildfire activity has not slowed down in northwestern Ontario as three First Nations remain under evacuation, with hundreds ...

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

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

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

With wildfire smoke looming over Ontario, Environment Canada has issued air quality watches and statements for a large portion of the province.

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

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.

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

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

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