Stay updated with real-time air quality in Sun Prairie, Wisconsin featuring accurate data on AQI, PM2.5, PM10, O3, NO2, SO2, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.
Live AQI (Air Quality Index)
31
Good
Sun Prairie, Wisconsin
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.25 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
10.89 μg/m³
0
55
155
255
425
605+
34.08 ppb
0
55
71
86
201
201+
0.38 ppb
0
36
76
186
605
1005+
3.60 ppb
0
54
101
361
1250
2050+
0.17 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Sun Prairie, Wisconsin
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AQI 32
Good
3.34μg/m³
PM2.5
12.61μg/m³
PM10
35.30ppb
O3
0.42ppb
SO2
2.98ppb
NO2
0.15ppm
CO
AQI 32
Good
3.20μg/m³
PM2.5
13.30μg/m³
PM10
35.40ppb
O3
0.36ppb
SO2
2.94ppb
NO2
0.16ppm
CO
AQI 32
Good
3.21μg/m³
PM2.5
13.44μg/m³
PM10
35.43ppb
O3
0.36ppb
SO2
2.95ppb
NO2
0.16ppm
CO
AQI 32
Good
3.21μg/m³
PM2.5
13.18μg/m³
PM10
35.40ppb
O3
0.36ppb
SO2
2.94ppb
NO2
0.16ppm
CO
AQI 32
Good
3.21μg/m³
PM2.5
13.35μg/m³
PM10
35.42ppb
O3
0.36ppb
SO2
2.94ppb
NO2
0.16ppm
CO
AQI 32
Good
3.39μg/m³
PM2.5
12.44μg/m³
PM10
35.48ppb
O3
0.43ppb
SO2
3.00ppb
NO2
0.14ppm
CO
Air quality measurements for Wisconsin, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for Sun Prairie, Wisconsin is updated on an hourly basis.
The worst air quality in Sun Prairie, Wisconsin was recorded at 12:00:00 on 2026-03-13.
The best air quality in Sun Prairie, Wisconsin was recorded at 01:00:00 on 2026-03-12.
The real-time air quality index in Sun Prairie, Wisconsin is 31, currently categorized as Good.
The most common pollutant in Sun Prairie, Wisconsin is O3.
If the air quality in Sun Prairie, Wisconsin is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Sun Prairie, Wisconsin at present are 3.246 μg/m3.
The current PM10 levels in Sun Prairie, Wisconsin are 10.888 μg/m3.
The current carbon monoxide (CO) level in Sun Prairie, Wisconsin is 0.17 ppm.
The current sulfur dioxide (SO2) levels in Sun Prairie, Wisconsin are 0.376 ppb.
The current ozone (O3) levels at Sun Prairie, Wisconsin is 34.075 ppm.
The current nitrogen dioxide (NO2) levels at Sun Prairie, Wisconsin is 3.605 ppb.
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