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)
36
Good
Stoughton, Wisconsin
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.87 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
14.64 μg/m³
0
55
155
255
425
605+
38.95 ppb
0
55
71
86
201
201+
0.41 ppb
0
36
76
186
605
1005+
2.15 ppb
0
54
101
361
1250
2050+
0.24 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Stoughton, Wisconsin
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AQI 36
Good
4.86μg/m³
PM2.5
20.52μg/m³
PM10
38.82ppb
O3
0.40ppb
SO2
2.11ppb
NO2
0.27ppm
CO
AQI 38
Good
5.17μg/m³
PM2.5
13.07μg/m³
PM10
40.66ppb
O3
0.40ppb
SO2
2.17ppb
NO2
0.27ppm
CO
AQI 38
Good
5.22μg/m³
PM2.5
12.40μg/m³
PM10
40.89ppb
O3
0.40ppb
SO2
2.14ppb
NO2
0.27ppm
CO
AQI 36
Good
4.90μg/m³
PM2.5
14.32μg/m³
PM10
39.30ppb
O3
0.40ppb
SO2
2.09ppb
NO2
0.27ppm
CO
AQI 39
Good
5.32μg/m³
PM2.5
33.89μg/m³
PM10
41.71ppb
O3
0.41ppb
SO2
2.17ppb
NO2
0.26ppm
CO
AQI 54
Moderate
7.88μg/m³
PM2.5
23.58μg/m³
PM10
56.12ppb
O3
0.41ppb
SO2
2.17ppb
NO2
0.25ppm
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 02:00:00 on 2026-09-04.
In the last 24 hours, the best air quality in Stoughton, Wisconsin was observed at 10:00:00 on 2026-09-04.
As of now, the AQI in Stoughton, Wisconsin is 36, 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 4.869 μg/m3.
The PM10 concentration in Stoughton, Wisconsin is 14.642 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Stoughton, Wisconsin is 0.244 ppm.
Currently, Stoughton, Wisconsin has a sulfur dioxide (SO2) concentration of 0.406 ppb.
The current ozone (O3) level in Stoughton, Wisconsin at the moment is 38.945 ppm.
Nitrogen dioxide (NO2) level in Stoughton, Wisconsin at the moment is 2.15 ppb.
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