Air Quality in Sun Prairie, United States
Windy
17.1°C · 49.0% humidity
17.1°
Feels 17.1°
27
Good
Air quality is satisfactory. Enjoy outdoor activities.
3 stations
Nearby Monitoring Stations
Sun Prairie's air quality — share it
AQI Forecast
Calibrated
18
9am
17
17
27
12pm
24
22
21
3pm
20
19
18
6pm
18
20
26
9pm
19
19
19
12am
26
26
46
3am
46
46
46
6am
26
19
Station readings
18
24
28
27
CAMS model
adj -8
27
25
25
25
25
25
25
25
25
25
25
27
34
27
27
27
34
34
54
54
54
54
34
27
Air Quality Index Trend
48h · 1 stnSun Prairie's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
49.0%
Humidity
56.8 km/h
Wind NW
1020.3 hPa
Pressure
12.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
6.43 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Sun Prairie?
Temperature & Precipitation
PM2.5 Trend
48h · 1 stationPM2.56.43 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX12.9
Extreme
Station readings (3 stations within 25 km)
6.43
Median
6.4
Average
6.2
Low
6.5
High
PM2.5 µg/m³ · Model: 7.1 · Bias: +0.7
What is the 7-day forecast for Sun Prairie?
09-05
19.2° 15.4°
09-06
26.9° 10.0°
0.5 mm
09-07
22.4° 13.2°
09-08
21.5° 12.6°
6.19 mm
09-09
27.8° 12.7°
1.37 mm
09-10
24.8° 14.8°
0.75 mm
09-11
22.5° 15.8°
0.94 mm
Both models agree
Avg diff: 6.5°C
Where are air quality stations near Sun Prairie?
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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 2026-09-05T17:55 UTC.