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

Wildfires have forced another 1,000 people to flee their homes in the Canadian province of Manitoba, which is under a state ...

The state Department of Environmental Conservation issued an air quality health advisory for Sunday due to the smoke ...

Canadian wildfires, along with high temperatures, are partly to blame for hazy skies and foul air. But passing storms may ...

Smoke from the Canadian wildfires continues to bring potentially dangerous air quality to parts of the northern U.S., with ...

Smoke from wildfires in Canada has spread more than 5,000 miles, reaching parts of Russia and Europe during the past week.

Smoke from Canadian wildfires is engulfing much of the eastern and central United States and and is expected to continue for ...

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

Smoke from wildfires burning in three Canadian provinces covered about a third of the U.S. on Wednesday, forecasters said, ...

Smoke from Canadian wildfires has carried another day of poor air quality south of the border to the American Midwest.

Smoke from Canadian wildfires is beginning to worsen air quality in the eastern U.S. as several Midwestern states battle ...