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)
19
Good
Sheboygan, Wisconsin
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.25 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
5.75 μg/m³
0
55
155
255
425
605+
19.70 ppb
0
55
71
86
201
201+
1.13 ppb
0
36
76
186
605
1005+
5.41 ppb
0
54
101
361
1250
2050+
0.26 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Sheboygan, Wisconsin
Sheboygan, Wisconsin
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AQI 17
Good
1.00μg/m³
PM2.5
3.43μg/m³
PM10
18.05ppb
O3
0.85ppb
SO2
3.06ppb
NO2
0.23ppm
CO
AQI 15
Good
1.16μg/m³
PM2.5
3.52μg/m³
PM10
15.55ppb
O3
0.83ppb
SO2
3.21ppb
NO2
0.22ppm
CO
AQI 16
Good
1.01μg/m³
PM2.5
3.43μg/m³
PM10
17.00ppb
O3
0.85ppb
SO2
3.03ppb
NO2
0.23ppm
CO
AQI 14
Good
1.17μg/m³
PM2.5
3.32μg/m³
PM10
14.73ppb
O3
0.77ppb
SO2
3.32ppb
NO2
0.22ppm
CO
AQI 15
Good
1.17μg/m³
PM2.5
2.97μg/m³
PM10
15.59ppb
O3
0.70ppb
SO2
3.31ppb
NO2
0.22ppm
CO
AQI 14
Good
1.18μg/m³
PM2.5
3.33μg/m³
PM10
14.72ppb
O3
0.78ppb
SO2
3.34ppb
NO2
0.21ppm
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 03:00:00 on 2025-10-22.
In the last 24 hrs, the best air quality in Sheboygan, Wisconsin was observed at 04:00:00 on 2025-10-23.
The current air quality in Sheboygan, Wisconsin is 14, 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 1.06 μg/m3.
The current PM10 concentration at Sheboygan, Wisconsin is 3.417 μg/m3.
The current carbon monoxide (CO) concentration at Sheboygan, Wisconsin is 0.226 ppm.
The current sulfur dioxide (SO2) concentration at Sheboygan, Wisconsin is 0.806 ppb.
The current ozone (O3) concentration at Sheboygan, Wisconsin is 15.28 ppm.
The current nitrogen dioxide (NO2) concentration at Sheboygan, Wisconsin is 3.102 ppb.
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