Air Quality in Rockford, United States

Windy
19.0°C · 46.8% humidity
19.0°
Feels 19.0°
33
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station

Nearby Monitoring Stations

AQI Forecast
27 7am
54
54
33 10am
31
30
29 1pm
29
28
28 4pm
28
27
25 7pm
34
34
27 10pm
27
34
34 1am
54
54
54 4am
54
54
AD 728×90

Air Quality Index Trend

34h · 1 stn

Rockford's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

46.8%
Humidity
52.8 km/h
Wind NW
1020.5 hPa
Pressure
7.9
UV Very High
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
33
7.9 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Rockford?

Temperature & Precipitation

PM2.5 Trend

34h · 1 station
PM2.57.9 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX7.9
Very High
AD 300×250
Station readings (1 station within 25 km)
7.9
Median
7.9
Average
7.9
Low
7.9
High
PM2.5 µg/m³ · Model: 6.5 · Bias: -1.4

What is the 7-day forecast for Rockford?

09-05
19.5° 15.6°
0.38 mm
09-06
27.9° 10.3°
0.81 mm
09-07
22.7° 14.4°
0.38 mm
09-08
21.0° 13.9°
28.56 mm
09-09
28.6° 12.9°
0.75 mm
09-10
24.5° 15.4°
0.31 mm
09-11
29.8° 13.6°
0.75 mm
Both models agree Avg diff: 7.2°C

Where are air quality stations near Rockford?

42
Rockford, Illinois, USA
0.6 km PM2.5: 10.1 µg/m³
33
Rockford, Illinois, USA
0.6 km PM2.5: 7.9 µg/m³
49
Rockford, Illinois, USA
0.6 km PM2.5: 11.8 µg/m³

What cities are near Rockford?

33 Loves Park 33 Machesney Park 33 Belvidere 30 Beloit 32 Freeport 30 Sycamore 28 Janesville 30 DeKalb 31 Huntley 36 Dixon
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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 2026-09-05T15:50 UTC.