An air quality alert was issued by the National Weather Service in-Sullivan at 12:20 p.m. on Thursday, Aug. 7.

Though wildfire smoke was to credit for poor air quality earlier in the week, Wednesday's alert is due to high-levels of ozone in the air.

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

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

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

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

Milwaukee experiences morning fog and mist with a warm, humid day ahead, and an Air Quality Advisory issued for sensitive ...

Smoke from hundreds of wildfires in Canada is lingering over the northern U.S., spreading across to roughly a dozen states ...

Wildfires burning in Canada were causing unhealthy air quality across parts of North America on Monday. By Judson Jones ...

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

Due to wildfire smoke creating unhealthy air quality, yet another air quality alert is in effect for parts of southeast ...

Breathing in polluted air for extended periods of time can pose a serious health risk for people, especially for vulnerable ...