Rockford, Illinois, USA Air Quality

Monitoring Station · Rockford, United States
46
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
61 3am
11
46
37 6am
37
37
37 9am
37
37
37 12pm
34
35
35 3pm
35
34
— 6pm
—
—
— 9pm
—
—
— 12am
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Station readings
61
11
46
CAMS model adj +10
27
27
27
27
27
27
27
27
27
27
24
25
25
25
24

Air Quality Forecast (24h)

PM2.511.0 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

45
Rockford, Illinois, USA
0.0 km PM2.5: 10.8 µg/m³
36
Rockford, Illinois, USA
0.0 km PM2.5: 8.6 µg/m³

Nearby Cities

30 Rockford 30 Loves Park 30 Machesney Park 30 Belvidere 23 Beloit 25 Freeport 26 Sycamore 27 Janesville 26 DeKalb

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-08T06:31 UTC.