IDEM forecasts Air Quality Action Day Thursday in three regions

Wednesday, June 4, 2025 at 10:00 PM

By Kathy Bottorff

The Indiana Department of Environmental Management (IDEM) has forecast an Air Quality Action Day (AQAD) for Thursday.

Due to smoke from Canadian wildfires, expected fine particulate matter levels may reach the Unhealthy for Sensitive Groups range (Orange) in the following areas:

In North Central Indiana, including the towns and cities of Plymouth, Argos, Bremen, Bourbon, Culver, and LaPaz. Also, Elkhart, Goshen, Knox, Logansport, Peru, South Bend, Warsaw, Winamac, and all other cities within the area.

Areas in Northeast Indiana include the cities of Angola, Auburn, Decatur, Fort Wayne, Hartford, Huntington City, LaGrange, Marion, Portland, Wabash, and all other cities within the area.

In Northwest Indiana, the cities include: Crown Point, Gary, Hammond, Kentland, LaPorte, Michigan City, Portage, Rensselaer, Valparaiso, and all other cities within the area.

Hoosiers can visit SmogWatch.IN.gov to:

View air quality information for all Indiana counties, including a state map of affected counties.
Learn more about Air Quality Action Days and recommended actions.
Learn more about ozone and fine particulate matter; and
Sign up for air quality alerts.

Air Quality Action Days are in effect from midnight to 11:59 p.m. (24-hours) on the specified date. Some municipalities have additional open burning restrictions on AQADs. For more information, go to idem.IN.gov/openburning/laws-and-rules.