The Wisconsin Department of Natural Resources has issued an Air Quality Advisory for Ozone until midnight for Manitowoc, Kewaunee, and Door Counties.
The Air Quality index is expected to reach an unhealthy level. Active children and adults and individuals with respiratory and cardiac problems should avoid prolonged outdoor exertion while everyone else, especially children, should limit prolonged strenuous outdoor activities.
More information can be found at airquality.wi.gov.