What is the air quality in Sun Prairie today?

The current Air Quality Index (AQI) in Sun Prairie is 26 (Good). PM2.5 concentration is 6.19 µg/m³.

What is the temperature in Sun Prairie right now?

The current temperature in Sun Prairie is 9.5°C (feels like 4.9°C). Humidity is 68.3% and wind speed is 47.2 km/h.

Is it safe to go outside in Sun Prairie?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

Air Quality in Sun Prairie, United States

Windy

9.5°C · 68.3% humidity

9.5°

Feels 4.9°

Good

Air quality is satisfactory. Enjoy outdoor activities.

3 stations

Nearby Monitoring Stations

AQI Forecast

20 2pm

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Station readings

Air Quality Index Trend

31h · 2 stn

View full history →

Sun 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.

68.3%

Humidity

47.2 km/h

Wind ESE

1024.4 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

6.19 µg/m³

PM10

27.4 µg/m³

050100150200300500

What is the weather forecast for Sun Prairie?

Temperature & Precipitation

PM2.5 Trend

31h · 2 stations

PM2.56.19 µg/m³ ✓ WHO

Good

PM1027.4 µg/m³

Good

UV INDEX0.0

Low

Station readings (3 stations within 25 km)

6.19

Median

6.07

Average

5.5

Low

6.5

High

PM2.5 µg/m³ · Model: 13.5 · Bias: +7.3

What is the 7-day forecast for Sun Prairie?

10-20

7.3° 0.7°

10-21

22.6° 9.3°

1.25 mm

10-22

12.0° 5.7°

10-23

10.3° 5.3°

2.25 mm

10-24

20.9° 5.5°

10-25

12.0° -1.0°

10-26

16.0° 0.6°

2.81 mm

Both models agree Avg diff: 5.5°C

Where are air quality stations near Sun Prairie?

Madison East, Wisconsin, USA

14.9 km PM2.5: 6.5 µg/m³

Madison East, Wisconsin, USA

14.9 km PM2.5: 11.0 µg/m³

Madison East, Wisconsin, USA

14.9 km PM2.5: 10.6 µg/m³

Madison East, Wisconsin, USA

14.9 km PM2.5: 9.4 µg/m³

Madison East, Wisconsin, USA

14.9 km PM2.5: 7.7 µg/m³

Madison-east, Wisconsin, USA

21.8 km PM2.5: 6.2 µg/m³

Madison-east, Wisconsin, USA

21.8 km PM2.5: 9.6 µg/m³

Madison-east, Wisconsin, USA

21.8 km PM2.5: 7.2 µg/m³

Madison-east, Wisconsin, USA

21.8 km PM2.5: 12.0 µg/m³

Madison-east, Wisconsin, USA

21.8 km PM2.5: 5.5 µg/m³

What cities are near Sun Prairie?

25 Middleton 25 Fitchburg 43 Beaver Dam 28 Janesville 42 Oconomowoc 28 Beloit 20 Waukesha 28 West Bend 20 Menomonee Falls 17 Fond du Lac

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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 2026-10-20T22:42 UTC.