Stay updated with real-time air quality in Sheboygan, 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)
27
Good
Sheboygan, Wisconsin
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.48 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
16.04 μg/m³
0
55
155
255
425
605+
28.78 ppb
0
55
71
86
201
201+
0.33 ppb
0
36
76
186
605
1005+
5.61 ppb
0
54
101
361
1250
2050+
0.31 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Sheboygan, Wisconsin
Sheboygan, Wisconsin
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AQI 28
Good
3.41μg/m³
PM2.5
30.07μg/m³
PM10
28.91ppb
O3
0.46ppb
SO2
3.53ppb
NO2
0.22ppm
CO
AQI 30
Good
3.69μg/m³
PM2.5
19.58μg/m³
PM10
32.42ppb
O3
0.33ppb
SO2
3.34ppb
NO2
0.24ppm
CO
AQI 28
Good
3.41μg/m³
PM2.5
29.98μg/m³
PM10
29.04ppb
O3
0.46ppb
SO2
3.53ppb
NO2
0.22ppm
CO
AQI 31
Good
3.73μg/m³
PM2.5
20.22μg/m³
PM10
32.69ppb
O3
0.33ppb
SO2
3.39ppb
NO2
0.25ppm
CO
AQI 31
Good
3.96μg/m³
PM2.5
24.78μg/m³
PM10
33.59ppb
O3
0.35ppb
SO2
3.76ppb
NO2
0.23ppm
CO
AQI 30
Good
3.93μg/m³
PM2.5
20.58μg/m³
PM10
31.87ppb
O3
0.31ppb
SO2
3.14ppb
NO2
0.25ppm
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 Sheboygan, Wisconsin is updated every hour.
The worst air quality in Sheboygan, Wisconsin in the last 24 hours was observed at 12:00:00 on 2026-08-08.
In the last 24 hrs, the best air quality in Sheboygan, Wisconsin was observed at 09:00:00 on 2026-08-08.
The current air quality in Sheboygan, Wisconsin is 26, categorized as Good based on real-time data.
The most common pollutant in Sheboygan, Wisconsin is O3.
If the air quality in Sheboygan, Wisconsin is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Sheboygan, Wisconsin is 4.145 μg/m3.
The current PM10 concentration at Sheboygan, Wisconsin is 23.284 μg/m3.
The current carbon monoxide (CO) concentration at Sheboygan, Wisconsin is 0.23 ppm.
The current sulfur dioxide (SO2) concentration at Sheboygan, Wisconsin is 0.334 ppb.
The current ozone (O3) concentration at Sheboygan, Wisconsin is 27.989 ppm.
The current nitrogen dioxide (NO2) concentration at Sheboygan, Wisconsin is 3.391 ppb.
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