IDEM Forecasts Air Quality Action Day for Northwest and North Central Regions Tuesday

Monday, July 13, 2026 at 2:25 PM

By Kathy Bottorff

The Indiana Department of Environmental Management (IDEM) has forecast an Air Quality Action Day (AQAD) for Tuesday, July 14 in Northwest and North Central 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: Plymouth, Elkhart, Goshen, Knox, Logansport, Peru, South Bend, Warsaw, Winamac and all other cities within the area.

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

Hot temperatures, sunny skies, and light winds are expected for tomorrow. High surface pressure is building over the region. This will produce high Ozone readings into the Unhealthy for Sensitive Groups (USG) for Northwest and North Central tomorrow. Ozone buildup is expected to influence North Central as well as hot and sunny conditions persist.

Hoosiers can visit SmogWatch.IN.gov to: view air quality information for all Indiana counties, including a state map of affected counties. You can also learn more about Air Quality Action Days and recommended actions and learn more about ozone and fine particulate matter. Sign up for air quality alerts is also available on the www.SmogWatch,IN.gov website.

Air Quality Action Days are in effect from midnight to 11:59 p.m. (24-hours) on the specified dates.

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.