The Indiana Department of Environmental Management (IDEM) has forecasted an Air Quality Action Day (AQAD) for Saturday, May 18, 2024, for North Central and Northwest Indiana. Ozone levels are expected to be in the Unhealthy for Sensitive Groups range (Orange) in the following areas: North Central Indiana, including the cities of: Elkhart, Goshen, Knox, Logansport, Plymouth, Peru, South Bend,