Stay updated with real-time air quality in Stoughton, 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)
24
Good
Stoughton, Wisconsin
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.06 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
12.50 μg/m³
0
55
155
255
425
605+
26.26 ppb
0
55
71
86
201
201+
0.34 ppb
0
36
76
186
605
1005+
3.50 ppb
0
54
101
361
1250
2050+
0.16 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Stoughton, Wisconsin
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AQI 24
Good
4.15μg/m³
PM2.5
9.45μg/m³
PM10
26.04ppb
O3
0.34ppb
SO2
3.58ppb
NO2
0.17ppm
CO
AQI 22
Good
4.33μg/m³
PM2.5
12.04μg/m³
PM10
21.62ppb
O3
0.34ppb
SO2
3.56ppb
NO2
0.17ppm
CO
AQI 22
Good
4.36μg/m³
PM2.5
11.48μg/m³
PM10
21.55ppb
O3
0.34ppb
SO2
3.53ppb
NO2
0.17ppm
CO
AQI 24
Good
4.15μg/m³
PM2.5
9.44μg/m³
PM10
26.43ppb
O3
0.34ppb
SO2
3.61ppb
NO2
0.17ppm
CO
AQI 24
Good
3.89μg/m³
PM2.5
12.03μg/m³
PM10
25.93ppb
O3
0.33ppb
SO2
2.35ppb
NO2
0.16ppm
CO
AQI 44
Good
8.42μg/m³
PM2.5
40.77μg/m³
PM10
25.81ppb
O3
0.34ppb
SO2
3.50ppb
NO2
0.16ppm
CO
Air quality and pollutant data for Wisconsin, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Stoughton, Wisconsin is updated every hour for accuracy.
In the past 24 hours, the air quality in Stoughton, Wisconsin was at its worst at 08:00:00 on 2026-03-10.
In the last 24 hours, the best air quality in Stoughton, Wisconsin was observed at 02:00:00 on 2026-03-10.
As of now, the AQI in Stoughton, Wisconsin is 24, indicating Good conditions.
Stoughton, Wisconsin air has the highest levels of O3.
Poor air quality in Stoughton, Wisconsin means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Stoughton, Wisconsin are currently 4.064 μg/m3.
The PM10 concentration in Stoughton, Wisconsin is 12.5 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Stoughton, Wisconsin is 0.162 ppm.
Currently, Stoughton, Wisconsin has a sulfur dioxide (SO2) concentration of 0.338 ppb.
The current ozone (O3) level in Stoughton, Wisconsin at the moment is 26.26 ppm.
Nitrogen dioxide (NO2) level in Stoughton, Wisconsin at the moment is 3.5 ppb.
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