Air Quality in Sun Prairie, United States
Windy
27.0°C · 55.4% humidity
27.0°
Feels 29.5°
17
Good
Air quality is satisfactory. Enjoy outdoor activities.
4 stations
Nearby Monitoring Stations
Sun Prairie's air quality — share it
AQI Forecast
Calibrated
22
7am
21
21
17
10am
21
21
21
1pm
21
22
22
4pm
22
22
22
7pm
22
22
22
10pm
22
22
22
1am
22
22
22
4am
22
22
Station readings
6h ago
AQI 17
PM2.5 4.1 µg/m³ · 6h ago
CAMS model
adj -3
25
24
24
24
24
24
24
24
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
Air Quality Index Trend
6h · 2 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.
55.4%
Humidity
76.6 km/h
Wind W
1017.8 hPa
Pressure
7.9
UV Very High
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
4.12 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Sun Prairie?
Temperature & Precipitation
PM2.5 Trend
6h · 2 stationsPM2.54.12 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX7.9
Very High
Station readings (4 stations within 25 km)
4.12
Median
4.07
Average
3.8
Low
4.3
High
PM2.5 µg/m³ · Model: 5.8 · Bias: +1.7
What is the 7-day forecast for Sun Prairie?
05-29
27.0° 4.6°
05-30
22.8° 8.5°
1.69 mm
05-31
27.6° 12.1°
0.06 mm
06-01
28.6° 14.0°
2.12 mm
06-02
19.8° 14.4°
2.81 mm
06-03
28.3° 19.4°
06-04
22.7° 11.0°
1.44 mm
Both models agree
Avg diff: 5.5°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 2026-05-29T15:07 UTC.