Data courtesy of:

AQI: Good (0 - 50) AQI: Good (0 - 50)
Air quality is considered satisfactory, and air pollution poses little or no risk.
AQI: Moderate (51 - 100) AQI: Moderate (51 - 100)
Air quality is acceptable; however, for some pollutants there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.
AQI: Unhealthy for Sensitive Groups (101 - 150) AQI: Unhealthy for Sensitive Groups (101 - 150)
Although general public is not likely to be affected at this AQI range, people with lung disease, older adults and children are at a greater risk from exposure to ozone, whereas persons with heart and lung disease, older adults and children are at greater risk from the presence of particles in the air.
AQI: Unhealthy (151 - 200) AQI: Unhealthy (151 - 200)
Everyone may begin to experience health effects members of sensitive groups may experience more serious health effects.
 AQI:Very Unhealthy (201 - 300) AQI: Very Unhealthy (201 - 300)
Health alert: everyone may experience more serious health effects.
AQI: Hazardous(301 - 500) AQI: Hazardous (301 - 500)
Health warnings of emergency conditions. The entire population is more likely to be affected.
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Local Air Quality Resources
Action Day Programs | Today's AQI
State Air Quality Resources
American Lung Association (ALA) of Indiana
Indiana DEM - Contact Us
Indiana DEM - Smog Watch
Indiana Department of Environmental Management (DEM)
Air Quality Forecast
Today's High Tomorrow's High
Air Quality Index (AQI)
Good Good
Health Message: None
Air Quality Index (AQI)
Moderate Moderate
Health Message: Unusually sensitive people should consider reducing prolonged or heavy exertion.
AQI - Pollutant Details
Particles (PM2.5)
Particles (PM2.5)
Forecast Discussion: A cold front which has pushed south to the Ohio River has brought good PM2.5 readings to Indiana. The cold front will continue to push onward as high pressure moves into the Great Lakes and mid-Atlantic states. By Wednesday night, the front will pass west to east along with showers and possible thunderstorms. Thursday will be turning fair with near normal temperatures.

Current Conditions
Air Quality Index (AQI)
observed at 9:00 EDT
Health Message: None
Note: Values above 500 are considered Beyond the AQI. Follow recommendations for the Hazardous category. Additional information on reducing exposure to extremely high levels of particle pollution is available here.
AQI - Pollutant Details
Ozone 9 Good
Particles (PM10) 6 Good
Particles (PM2.5) 16 Good

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Yesterday's Maps and Data
Air Quality Maps Archives (by region)

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