Indy-W18th

Data time: 11/8/2026 3:00 PM ET
Monitoring Site
Location
Address:
3351 W. 18th St. (School 90)
City:
Indianapolis
Latitude:
39.788889
Longitude:
-86.214722
Region:
Central
Air Quality Information
Pollutant Concentration Units of Measure
PM2.5 24-Hour Average 24.3 UG/M3
Sensor 24-Hour Average 24.3 UG/M3
Monitored Pollutants
Pollutant Concentration Units of Measure
PM2.5 5.3 UG/M3

Site Details

The Indpls - W. 18th St. monitoring site began operating in February 1999. The monitoring objective is to measure PM2.5 in Speedway.

Historical Data Concentration