Rockford, Illinois, USA Air Quality

Monitoring Station · Rockford, United States
37
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
13 4pm
37
13
13 7pm
13
13
13 10pm
13
11
20 1am
20
13
13 4am
20
20
— 7am
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Station readings
37
CAMS model adj -14
27
27
27
27
27
27
27
27
25
34
34
27
27
34
34

Air Quality Forecast (24h)

PM2.58.9 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

42
Rockford, Illinois, USA
0.0 km PM2.5: 10.1 µg/m³

Nearby Cities

35 Rockford 35 Loves Park 35 Machesney Park 35 Belvidere 40 Beloit 44 Freeport 15 Sycamore 41 Janesville 15 DeKalb

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-09-05T19:12 UTC.