There's a haze in the sky across a large portion of the Midwest. The smoke coming from more than 210 fires burning in Canada, ...

An air quality map shows conditions improving in the U.S. on Friday as smoke from the Canadian wildfires subsides.

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

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