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)
44
Good
Sheboygan, Wisconsin
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.09 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
36.80 μg/m³
0
55
155
255
425
605+
47.45 ppb
0
55
71
86
201
201+
0.25 ppb
0
36
76
186
605
1005+
3.44 ppb
0
54
101
361
1250
2050+
0.23 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Sheboygan, Wisconsin
Sheboygan, Wisconsin
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AQI 39
Good
4.75μg/m³
PM2.5
28.76μg/m³
PM10
42.05ppb
O3
0.32ppb
SO2
3.20ppb
NO2
0.24ppm
CO
AQI 44
Good
4.83μg/m³
PM2.5
22.86μg/m³
PM10
47.22ppb
O3
0.32ppb
SO2
5.48ppb
NO2
0.28ppm
CO
AQI 39
Good
4.74μg/m³
PM2.5
28.77μg/m³
PM10
41.87ppb
O3
0.32ppb
SO2
3.20ppb
NO2
0.24ppm
CO
AQI 44
Good
5.25μg/m³
PM2.5
25.54μg/m³
PM10
46.96ppb
O3
0.32ppb
SO2
6.11ppb
NO2
0.28ppm
CO
AQI 43
Good
4.68μg/m³
PM2.5
20.27μg/m³
PM10
45.70ppb
O3
0.32ppb
SO2
3.58ppb
NO2
0.24ppm
CO
AQI 44
Good
5.67μg/m³
PM2.5
25.25μg/m³
PM10
46.81ppb
O3
0.31ppb
SO2
5.82ppb
NO2
0.30ppm
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 2026-04-14.
In the last 24 hrs, the best air quality in Sheboygan, Wisconsin was observed at 01:00:00 on 2026-04-14.
The current air quality in Sheboygan, Wisconsin is 44, 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 4.605 μg/m3.
The current PM10 concentration at Sheboygan, Wisconsin is 18.702 μg/m3.
The current carbon monoxide (CO) concentration at Sheboygan, Wisconsin is 0.251 ppm.
The current sulfur dioxide (SO2) concentration at Sheboygan, Wisconsin is 0.32 ppb.
The current ozone (O3) concentration at Sheboygan, Wisconsin is 48.284 ppm.
The current nitrogen dioxide (NO2) concentration at Sheboygan, Wisconsin is 3.235 ppb.
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