Grand Rapids, Mich. – Residents across western Michigan should limit outdoor activities Tuesday as high ozone levels are expected to create unhealthy air conditions in lake shore counties including Kent, Muskegon, and Berrien.
According to the Michigan Department of Environment, Great Lakes, and Energy (EGLE), an Air Quality Advisory is in effect for June 17. Ozone concentrations are forecast to reach the “Unhealthy for Sensitive Groups” range, especially during the afternoon and early evening.
The advisory impacts Allegan, Kent, Muskegon, Ottawa, Van Buren, Berrien, and Cass counties, where sunny skies, warm temperatures, and light winds may trigger the chemical reactions that create ground-level ozone. Sensitive groups—such as children, seniors, and those with asthma or lung disease—are encouraged to avoid strenuous outdoor activity.
Cities including Grand Rapids, Holland, South Haven, Benton Harbor, and Niles are all under advisory. Residents can help reduce ozone formation by delaying gasoline refueling, avoiding lawn equipment use, and switching to water-based products.
This is the first widespread ozone alert of the summer season, and conditions may persist into future hot, sunny days.
Air quality updates are available at airnow.gov and MiAir. Advisories remain in effect until at least 8 p.m. Tuesday.




