Air Quality in Rockford, United States
Partly Cloudy
26.6°C · 54.4% humidity
26.6°
Feels 26.6°
57
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
2 stations
Nearby Monitoring Stations
Rockford's air quality — share it
AQI Forecast
24
9am
24
24
57
12pm
48
41
36
3pm
33
30
28
6pm
27
27
27
9pm
26
26
26
12am
27
54
66
3am
83
84
84
6am
84
54
Air Quality Index Trend
32h · 2 stnRockford's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
54.4%
Humidity
27.7 km/h
Wind NE
1015.2 hPa
Pressure
17.4
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
15.0 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Rockford?
Temperature & Precipitation
PM2.5 Trend
32h · 2 stationsPM2.515.0 µg/m³
✓ WHO
Moderate
PM1013.7 µg/m³
Good
UV INDEX17.4
Extreme
Station readings (2 stations within 25 km)
15.0
Median
15.0
Average
15.0
Low
15.0
High
PM2.5 µg/m³ · Model: 7.0 · Bias: -8.0
What is the 7-day forecast for Rockford?
07-21
26.6° 21.6°
0.62 mm
07-22
25.4° 17.5°
0.19 mm
07-23
21.4° 16.4°
12.56 mm
07-24
27.2° 13.6°
07-25
22.3° 15.9°
0.06 mm
07-26
25.1° 19.8°
2.5 mm
07-27
24.8° 18.9°
3.19 mm
Both models agree
Avg diff: 4.5°C
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-07-21T17:13 UTC.