The Wisconsin Department of Natural Resources issued an air quality alert for all of southeast Wisconsin until noon Sunday, ...

Last week, Canadian wildfire smoke blanketed Wisconsin and caused the Air Quality Index to reach the unhealthy level for ...

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

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

Smoke from Canadian wildfires has sent a blanket of smoke over the midwestern United States this weekend. The National ...

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 ...

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

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

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

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

Wisconsin faces air quality concerns due to Canadian wildfire smoke and hazardous beach conditions along Lake Michigan.

Canadian wildfire smoke is again causing air quality problems in Northwest Wisconsin, leading to an air quality alert from ...