IDEM Forecasts Air Quality Action Days Throughout This Weekend

INDIANAPOLIS – The Indiana Department of Environmental Management (IDEM) has forecast Air Quality Action Days (AQADs) through Monday, July 20 for parts of Indiana.

Heavy smoke is lingering for the Northern half of Indiana currently divided by a stationary front. The front will lift north later Friday providing a brief break in levels before a system late Saturday will bring another round of smoke. High pressure in place Sunday and Monday will recirculate the smoke over most of the state with the primary concern remaining the northern half of Indiana. This smoke, in addition to the other meteorological factors such as light winds and predicted flow from the north, will produce high PM2.5 readings.

For Friday, July 17:

Fine particulate matter (PM 2.5) levels are now expected to be in the Very Unhealthy range (Purple); and
Ozone levels are expected to be in the Unhealthy for Sensitive Groups range (Orange) in the following areas:

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

North Central Indiana, including the cities of: Elkhart, Goshen, Knox, Logansport, Plymouth, Peru, South Bend, Warsaw, Winamac and all other cities within the area.

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

Fine particulate matter (PM 2.5) levels are expected to be in the Unhealthy for Sensitive Groups range (Orange) in the following areas:

West Central Indiana, including the cities of: Crawfordsville, Covington, Delphi, Fowler, Greencastle, Lafayette, Newport, Monticello, Spencer, Sullivan, Terre Haute and all other cities within the area.

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.

For Saturday, July 18:

Ozone levels are expected range from Good to Moderate throughout the state.

Fine particulate matter (PM 2.5) levels are expected to be in the Unhealthy for Sensitive Groups range (Orange) in the following areas:
Northwest Indiana, including the cities of: Crown Point, Gary, Hammond, Kentland, LaPorte, Michigan City, Portage, Rensselaer, Valparaiso and all other cities within the area.
North Central Indiana, including the cities of: Elkhart, Goshen, Knox, Logansport, Plymouth, Peru, South Bend, Warsaw, Winamac and all other cities within the area.

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

For Sunday, July 19 and Monday, July 20:

Ozone levels are expected to be in the Good to Moderate range throughout the state.
Fine particulate matter (PM 2.5) levels are expected to be in the Unhealthy range (Red) in the following areas:

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

North Central Indiana, including the cities of: Elkhart, Goshen, Knox, Logansport, Plymouth, Peru, South Bend, Warsaw, Winamac and all other cities within the area.

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

Fine particulate matter (PM 2.5) levels are expected to be in the Unhealthy for Sensitive Groups range (Orange) in the following areas:

West Central Indiana, including the cities of: Crawfordsville, Covington, Delphi, Fowler, Greencastle, Lafayette, Newport, Monticello, Spencer, Sullivan, Terre Haute and all other cities within the area.

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.

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.

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.

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