In the upper Midwest of the United States, Michigan, Wisconsin and Minnesota have issued air quality warnings as smoke from ...

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

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

The Michigan Air Quality Division said as smoke from Canadian wildfires continues to threaten the upper Midwest, "monitors in ...

As Albertans forced out by wildfires wait for word when it will be safe to return home, other evacuees are learning their ...

Wildfire smoke was helping raise ozone to hazardous levels. No alerts have been issued, but the air quality may approach ...

Smoke from Canadian wildfires continues to plague the Upper Midwest and Great Lakes region, with multiple states under air ...

Smoke from Canadian wildfires worsened air quality in the eastern U.S. on Wednesday as several Midwestern states battled ...

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

While the smoke may cloud your vision of the sky or ruin a day at the beach on this week's warmest days of the season so far, ...

Smoke from a series of wildfires burning across central Canada has prompted officials to issue an air quality alert for the ...