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

The good news is the air won't be as difficult to breathe on Aug. 1. The bad news is the Canadian wildfire smoke is still ...

The Midwest saw some of the worst air quality conditions in the world Thursday, and similar conditions are expected to persist for several days.

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.

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

Several wildfires burning across the northwestern Canadian provinces are again sending vast amounts of smoke into the upper ...

Air quality monitors in the region showed air quality dropped to the purple or very unhealthy level this morning. It’s mostly been in the red or unhealthy level the last two days.

The smoke is expected to remain over the northern and central Plains of the United States for the next couple of days, ...

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

Smoke impacts began in northern Wisconsin Tuesday morning and will spread south through the state by July 31. Air quality may briefly improve on July 31 before smoke returns to northern areas on Aug.