Stay updated with real-time air quality in Cudahy, 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)
75
Moderate
Cudahy, Wisconsin
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
21.80 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
50.96 μg/m³
0
55
155
255
425
605+
22.27 ppb
0
55
71
86
201
201+
0.38 ppb
0
36
76
186
605
1005+
4.42 ppb
0
54
101
361
1250
2050+
0.29 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Cudahy, Wisconsin
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AQI 75
Moderate
21.57μg/m³
PM2.5
46.23μg/m³
PM10
22.43ppb
O3
0.40ppb
SO2
4.67ppb
NO2
0.29ppm
CO
AQI 75
Moderate
21.54μg/m³
PM2.5
48.02μg/m³
PM10
22.57ppb
O3
0.41ppb
SO2
4.37ppb
NO2
0.29ppm
CO
AQI 77
Moderate
22.58μg/m³
PM2.5
72.71μg/m³
PM10
22.01ppb
O3
0.33ppb
SO2
3.16ppb
NO2
0.29ppm
CO
AQI 75
Moderate
21.80μg/m³
PM2.5
45.20μg/m³
PM10
22.28ppb
O3
0.40ppb
SO2
5.02ppb
NO2
0.29ppm
CO
AQI 75
Moderate
22.04μg/m³
PM2.5
48.34μg/m³
PM10
22.04ppb
O3
0.38ppb
SO2
4.72ppb
NO2
0.29ppm
CO
AQI 77
Moderate
22.66μg/m³
PM2.5
61.22μg/m³
PM10
21.89ppb
O3
0.36ppb
SO2
3.58ppb
NO2
0.29ppm
CO
Air quality and pollutant data for Wisconsin, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Cudahy, Wisconsin is updated every hour for accuracy.
In the past 24 hours, the air quality in Cudahy, Wisconsin was at its worst at 04:00:00 on 2026-08-23.
In the last 24 hours, the best air quality in Cudahy, Wisconsin was observed at 09:00:00 on 2026-08-23.
As of now, the AQI in Cudahy, Wisconsin is 75, indicating Moderate conditions.
Cudahy, Wisconsin air has the highest levels of PM2.5.
Poor air quality in Cudahy, Wisconsin means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Cudahy, Wisconsin are currently 21.803 μg/m3.
The PM10 concentration in Cudahy, Wisconsin is 50.959 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Cudahy, Wisconsin is 0.292 ppm.
Currently, Cudahy, Wisconsin has a sulfur dioxide (SO2) concentration of 0.379 ppb.
The current ozone (O3) level in Cudahy, Wisconsin at the moment is 22.273 ppm.
Nitrogen dioxide (NO2) level in Cudahy, Wisconsin at the moment is 4.42 ppb.
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