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

People with heart or lung disease, older adults and children should consider making outdoor activities shorter and less ...

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

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

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

Air quality alerts were in effect in Iowa, Minnesota, Wisconsin and Michigan, as well as eastern Nebraska and parts of ...

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 ...

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

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

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

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

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