The Wisconsin Department of Natural Resources (DNR) has issued an air quality alert for all of southeast Wisconsin until noon Sunday, Aug. 3, 2025.

Last week, Canadian wildfire smoke blanketed Wisconsin and caused the Air Quality Index to reach the unhealthy level for sensitive groups. Six days later, on July 31, the smoke appears to have a worse impact on the air.

Wisconsin Public Radio Unhealthy air is blanketing Wisconsin as smoke spreads from wildfires burning in Canada. As of Thursday, the