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

Wisconsin's air quality Aug. 5 is improving from yesterday, but the DNR's alert is still at the Unhealthy for Sensitive ...

With smokey conditions likely worsening throughout Aug. 3, an air quality advisory was extended to noon Aug. 4.

As of 9 a.m., six of the 10 cities with the worst air quality in the country are in Wisconsin, according to IQAir, a company ...

A local resident and air quality enthusiast weigh in on the local impact of wildfires in Canada and why low air quality has ...

The thick plumes of smoke in Canada are being driven southward into the U.S. by northerly winds on the backside of an area of high pressure.

Some Milwaukee County residents are finding ways to enjoy the Wisconsin State Fair despite dealing with some of the worst air ...

Wildfires burning in Canada were causing unhealthy air quality across parts of North America on Monday. Canadian wildfires ...

Off and on through this summer, and especially in the past few days, Milwaukee's air quality measurements have deteriorated ...

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

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

Air quality concerns continue to expand from the Upper Midwest through the Great Lakes region and into the Northeast and New England as wildfire smoke from Canada drifts southward into the U.S.