Canadian wildfire smoke is back

The Wisconsin Department of Natural Resources has issued an Air Quality Advisory for the entire state of Wisconsin today, Saturday, July 12, 2025. The advisory went into effect at midnight Saturday and is in place until noon Monday. According to the department, air quality will likely become unhealthy for sensitive groups with some areas seeing outright unhealthy conditions for everyone.

Canadian wildfire smoke will impact all of Wisconsin throughout the weekend. The heaviest smoke is anticipated for locations farther north, with periods of Very Unhealthy conditions possible.

By Sunday, concentrations will be generally lower. However, unhealthy for sensitive groups conditions will remain possible statewide.