Canadian wildfire smoke has affected Wisconsin all week, prompting multiple air quality alert extensions from the DNR.

Smoke from ongoing Canadian wildfires has led to some of the worst air quality in the world across parts of the U.S.

Once again, the Canadian wildfires have impacted the air quality in Minnesota. We saw smoke spill into the state from Canada ...

The worst is (mostly) behind us, but smoky, unhealthy air will stick around through Sunday and possibly into Monday.

While the Air Quality Alert has been officially lifted, pockets of intense smoke could trigger another one on Monday or ...

Blazes burning across Canada are sending air quality plummeting in Detroit, Chicago, New York and other major U.S. cities ...

Smoke from Canadian wildfires hovered over several Midwestern states Saturday, bringing warnings of unhealthy air for at ...

Minneapolis had the fifth worst air quality among 125 cities worldwide on Saturday morning, according to an international air ...

Hazardous smoke from Canada’s wildfire season has triggered the worst air quality in the U.S. with NASA’s EPIC satellite ...

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

The wildfire smoke has cleared (for now), ending Minnesota's longest air quality alert on record. State of play: Minnesotans ...