Parts of the Upper Midwest were under air quality alerts on Tuesday. The New York City region is expected to be at risk on ...

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

Smoke from wildfires burning in three Canadian provinces is spreading into the U.S. Upper Midwest, stirring memories of the ...

Haze from Canadian wildfires is seen over Lake Michigan as a person runs along the shoreline Monday in Chicago. Wildfires ...

Haze will take over New England skies late Tuesday and into Wednesday as more than 200 wildfires continue to rage across ...

Canadian wildfire smoke in the Pittsburgh area will be thickening today and causing poor air quality throughout the region.

Smoke spreading from wildfires in Canada​ was affecting air quality in multiple states, including Minnesota​ and Wisconsin.

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

With temperatures creeping toward 90 degrees Wednesday and the milky veil of Canadian wildfire smoke persisting over the ...

As Canadian wildfires burn, northern Michigan areas and the Upper Peninsula have been upgraded to an air quality alert.

Smoke that was visible on satellite over Wisconsin and Illinois on Monday is expected to drift into Ohio Tuesday, bringing a ...

The National Weather Service issued a weather alert at 2:14 p.m. EDT on Tuesday for smoke until 6 p.m. EDT for Baraga, ...