Larwill

Data time: 11/8/2026 3:00 PM ET
Monitoring Site
Location
Address:
710 N. State Rd. 5 (Whitko Middle School)
City:
Larwill
Latitude:
41.169722
Longitude:
-85.629444
Region:
North East
Air Quality Information
Pollutant Concentration Units of Measure
PM2.5 24-Hour Average 6.4 UG/M3
Sensor 24-Hour Average 6.4 UG/M3
Monitored Pollutants
Pollutant Concentration Units of Measure
PM2.5 6.6 UG/M3
Meteorology
Measurement Reading Units of Measure
OT 2m 58 DEGF
RH 2m 57 PERCENT
RWD 270 DEG
RWS 10.8 MPH

Site Details

The Larwill monitoring site began operating in April 2010. The monitoring objective is to measure PM2.5, CO2, and meteorological conditions at a northeastern Indiana regional background site.

Historical Data Concentration