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

What would otherwise be a pleasant weekend in Southern Wisconsin is being blanketed by Canadian wildfire smoke.

Blazes across several Canadian provinces and territories pose health risks to Canadians and their southern neighbours.

A detailed view of the sun covered by smoke from the Canadian wildfires as air quality alerts were issued across Minnesota ...

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

Concentrated levels of smoke near the surface will be unhealthy for sensitive groups but can also reach unhealthy levels for ...

Canadian wildfire smoke is impacting the air quality across the state this weekend with forecasts indicating a mix of Unhealthy for Sensitive Groups and Unhealthy Air Quality Index levels as smoke ...

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

Air quality reaches red 'unhealthy' category as Canadian wildfire smoke blankets the state, affecting all residents ...

Frustrations are growing at the Wisconsin Capitol after a second day of smoke and haze from Canada’s still-burning wildfires.

At one point on Thursday, Wisconsin held three spots in a top 10 list of American cities with the worst air quality.