Stay updated with real-time air quality in Waupun, 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)
39
Good
Waupun, Wisconsin
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.42 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
24.76 μg/m³
0
55
155
255
425
605+
42.02 ppb
0
55
71
86
201
201+
1.09 ppb
0
36
76
186
605
1005+
4.55 ppb
0
54
101
361
1250
2050+
0.12 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Waupun, Wisconsin
Waupun, Wisconsin
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AQI 39
Good
4.40μg/m³
PM2.5
23.78μg/m³
PM10
42.02ppb
O3
1.13ppb
SO2
4.51ppb
NO2
0.12ppm
CO
AQI 40
Good
4.72μg/m³
PM2.5
23.26μg/m³
PM10
42.54ppb
O3
1.01ppb
SO2
4.63ppb
NO2
0.13ppm
CO
AQI 40
Good
4.78μg/m³
PM2.5
22.38μg/m³
PM10
42.70ppb
O3
1.31ppb
SO2
4.49ppb
NO2
0.12ppm
CO
AQI 36
Good
4.73μg/m³
PM2.5
22.39μg/m³
PM10
38.75ppb
O3
0.93ppb
SO2
4.66ppb
NO2
0.14ppm
CO
AQI 40
Good
3.95μg/m³
PM2.5
23.19μg/m³
PM10
42.90ppb
O3
1.32ppb
SO2
4.47ppb
NO2
0.12ppm
CO
AQI 38
Good
4.58μg/m³
PM2.5
20.34μg/m³
PM10
41.09ppb
O3
1.26ppb
SO2
4.55ppb
NO2
0.12ppm
CO
Air quality data and pollutant measurements for Wisconsin, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
The air quality for Waupun, Wisconsin is updated every hour.
The worst air quality in Waupun, Wisconsin in the last 24 hours was observed at 08:00:00 on 2026-07-23.
In the last 24 hrs, the best air quality in Waupun, Wisconsin was observed at 03:00:00 on 2026-07-23.
The current air quality in Waupun, Wisconsin is 39, categorized as Good based on real-time data.
The most common pollutant in Waupun, Wisconsin is O3.
If the air quality in Waupun, Wisconsin is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Waupun, Wisconsin is 4.423 μg/m3.
The current PM10 concentration at Waupun, Wisconsin is 24.759 μg/m3.
The current carbon monoxide (CO) concentration at Waupun, Wisconsin is 0.12 ppm.
The current sulfur dioxide (SO2) concentration at Waupun, Wisconsin is 1.088 ppb.
The current ozone (O3) concentration at Waupun, Wisconsin is 42.024 ppm.
The current nitrogen dioxide (NO2) concentration at Waupun, Wisconsin is 4.554 ppb.
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