As the summer heat intensifies, people across Canada are facing the full brunt of wildfire season. Communities are being evacuated and properties are being destroyed as fires grow in size.

Hundreds of wildfires burning in Canada are undermining U.S. air quality across the Upper Midwest and Northeast, making skies hazy from Detroit to New York City and even prompting a ground stop at ...

This is the second-most severe wildfire season in Canadian history, after 2023, with 15 million acres burned so far.

Wildfires continued to rage across Canada on Friday, with nearly three dozen new blazes, bringing the total number of active fires to 673.

Canada's historic wildfires are accelerating climate change by releasing billions of tons of carbon while politicians approve new fossil fuel projects.

Air quality has taken a serious hit across the United States as a two-fold blow of wildfires in the West and in Canada have sent smoke pouring across large sections of the country — a problem ...

With hundreds of wildfires burning across Canada, smoke has drifted into the northern United States, lowering air quality across roughly a dozen states.

Hundreds of wildfires still burning in Canada are expected to undermine air quality across the Upper Midwest and Northeast into Tuesday.

As of Monday, Aug. 4, there are 59 uncontrolled wildfires and 108 controlled wildfires across Canada, the country's National Wildland Fire Situation Report said on its website.

Smoke and grit from hundreds of forest fires have spread across large parts of Canada and the northern US, sending air quality across the Midwest and northeast US and Toronto to unhealthy levels.

Smoke from hundreds of wildfires in Canada is lingering over the northern U.S., spreading across to roughly a dozen states from Wisconsin to Maine.

The elevated levels of fine particulate matter resulting from wildfire smoke could present significant health risks.