Air quality alert issued for all of Wisconsin due to Canadian wildfires

Deanese Williams-Harris, Chicago Tribune on Jun 4, 2025

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Officials issued an alert Wednesday as air quality was expected to reach unhealthy levels in all of Wisconsin until noon Thursday.

Sensitive groups should consider moving all activities inside especially those with asthma or people with heart disease. Officials asks those with health conditions to keep outdoor activities shorter and less intense.

An air quality advisory was called for all east central, south central and southeast Wisconsin.

Current conditions at O’Hare International Airport are light rain at 66 degrees, and farther south at Midway Airport conditions are light rain, fog and mist at 68 degrees. On Wednesday, there is a 50 to 90 percent chance of rain with temperatures in the low 60s, officials said.

So far, air quality warnings have not been issued for the Chicago area as Canadian wildfires continue.

Smoke from the wildfires carried another day of poor air quality south of the Canadian border to the Midwest where conditions in parts of Minnesota, Wisconsin and Michigan were rated very unhealthy Tuesday.

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