Air quality alerts have been issued across most of the Midwest, and hundreds of wildfires are burning across Canada.

Smoke from the more than 700 wildfires burning in Canada is continuing to blanket parts of the Midwest for a final day.

An air quality alert covering the entire state of Minnesota continues on Thursday, marring otherwise fairly ideal weather ...

There's no doubt firefighting is a dangerous job, but some of the biggest risks aren't just the flames. It's what lingers ...

The smoke is expected to remain over the northern and central Plains of the United States for the next couple of days, ...

Wildfire smoke drifting across the Great Lakes has caused air quality to plunge to hazardous levels in several states, ...

Wildfire smoke from Canada is blanketing the skies in the Midwest, leaving millions with dangerous breathing conditions.

Masks work best, they say, on clean-shaven faces, and should be thrown out after breathing gets difficult, or the mask gets ...

Canadian wildfire smoke is billowing south across the U.S. border, shrouding much of the Upper Midwest and Northern Tier and ...

Persistent wildfire smoke from Canadian wildfires has shrouded Minnesota in haze, significantly reducing visibility and ...

Wildfire smoke has been easy to spot in Minnesota this week, coating the Twin Cities in a brownish haze that obscured the ...