Rockford, Illinois, USA Air Quality

Monitoring Station · Rockford, United States
30
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
55 12am
31
30
24 3am
24
24
24 6am
24
24
24 9am
24
24
24 12pm
21
22
— 3pm
—
—
— 6pm
—
—
— 9pm
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Station readings
55
30
CAMS model adj -3
34
34
34
27
27
27
27
27
27
27
27
27
27
24
25

Air Quality Forecast (24h)

PM2.57.2 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

26
Rockford, Illinois, USA
0.0 km PM2.5: 6.2 µg/m³
26
Rockford, Illinois, USA
0.0 km PM2.5: 6.2 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 2026-08-08T03:49 UTC.