Indy-Harding

Data time: 11/8/2026 3:00 PM ET
Monitoring Site
Location
Address:
1321 S. Harding St.
City:
Indianapolis
Latitude:
39.749027
Longitude:
-86.186269
Region:
Central
Air Quality Information
Pollutant Concentration Units of Measure
O3 1-Hour Average 32 PPB
O3 8-Hour Average 25 PPB
Monitored Pollutants
Pollutant Concentration Units of Measure
O3 32.7 PPB

Site Details

The Indpls – Harding St. monitoring site began operating in April 1982. The monitoring objective is to measure ozone and CO2 in the southwest part of the Indianapolis metropolitan area.

Historical Data Concentration