Stay updated with real-time air quality in South Milwaukee, 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)
33
Good
South Milwaukee, Wisconsin
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.63 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
25.10 μg/m³
0
55
155
255
425
605+
21.16 ppb
0
55
71
86
201
201+
1.40 ppb
0
36
76
186
605
1005+
9.58 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
South Milwaukee, Wisconsin
South Milwaukee, Wisconsin
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AQI 33
Good
5.57μg/m³
PM2.5
24.77μg/m³
PM10
21.19ppb
O3
1.40ppb
SO2
9.38ppb
NO2
0.20ppm
CO
AQI 33
Good
5.52μg/m³
PM2.5
24.67μg/m³
PM10
21.18ppb
O3
1.39ppb
SO2
9.29ppb
NO2
0.20ppm
CO
AQI 33
Good
5.65μg/m³
PM2.5
24.84μg/m³
PM10
21.13ppb
O3
1.40ppb
SO2
9.69ppb
NO2
0.20ppm
CO
AQI 33
Good
5.51μg/m³
PM2.5
20.54μg/m³
PM10
21.34ppb
O3
1.48ppb
SO2
7.93ppb
NO2
0.18ppm
CO
AQI 33
Good
5.57μg/m³
PM2.5
24.35μg/m³
PM10
21.14ppb
O3
1.40ppb
SO2
9.48ppb
NO2
0.20ppm
CO
AQI 33
Good
5.62μg/m³
PM2.5
24.35μg/m³
PM10
21.15ppb
O3
1.40ppb
SO2
9.55ppb
NO2
0.20ppm
CO
Air quality measurements for Wisconsin, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for South Milwaukee, Wisconsin is updated on an hourly basis.
The worst air quality in South Milwaukee, Wisconsin was recorded at 12:00:00 on 2026-01-25.
The best air quality in South Milwaukee, Wisconsin was recorded at 10:00:00 on 2026-01-25.
The real-time air quality index in South Milwaukee, Wisconsin is 33, currently categorized as Good.
The most common pollutant in South Milwaukee, Wisconsin is PM2.5.
If the air quality in South Milwaukee, Wisconsin is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in South Milwaukee, Wisconsin at present are 5.633 μg/m3.
The current PM10 levels in South Milwaukee, Wisconsin are 25.098 μg/m3.
The current carbon monoxide (CO) level in South Milwaukee, Wisconsin is 0.196 ppm.
The current sulfur dioxide (SO2) levels in South Milwaukee, Wisconsin are 1.397 ppb.
The current ozone (O3) levels at South Milwaukee, Wisconsin is 21.158 ppm.
The current nitrogen dioxide (NO2) levels at South Milwaukee, Wisconsin is 9.577 ppb.
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