IDEM Forecasts Air Quality Action Day for Wednesday in Central/East Central and Southeast Indiana

ISSUED July 22, 2025

IDEM Forecasts Air Quality Action Day for Wednesday in Central/East Central and Southeast Indiana

INDIANAPOLIS - The Indiana Department of Environmental Management (IDEM) has forecast an Air Quality Action Day (AQAD) for Wednesday, July 23 in two Indiana regions.

Ozone levels are expected to be in the Unhealthy for Sensitive Groups range (Orange) in the following areas:

• Central/East Central Indiana, including the cities of: Bloomington, Brookville, Columbus, Frankfort, Indianapolis, Greensburg, Kokomo, Lebanon, Martinsville, Muncie, Richmond and all other cities within the area.
• Southeast Indiana, including the cities of: Brownstown, Corydon, Jeffersonville, Madison, New Albany, Salem, Versailles and all other cities within the area.

Above average temperatures, sunny skies and light winds and some light wild fire smoke are expected tomorrow as high pressure settles in over the area that will lead to conditions that are suitable for ozone development. These conditions will produce high Ozone readings into the Unhealthy for Sensitive Groups (USG) for Central/East Central and Southeast Indiana.

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.

Note: IDEM forecasts are based, solely or in part, on data from air quality monitors located throughout the state. IDEM encourages residents of counties within or bordering the affected region(s) to heed the forecast. Air quality information for all Indiana counties can be found at SmogWatch.IN.gov.

About IDEM: IDEM (idem.IN.gov) implements federal and state regulations regarding the environment. Through compliance assistance, incentive programs and educational outreach, the agency encourages and aids businesses and citizens in protecting Hoosiers and our environment.

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