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)
31
Good
Cudahy, Wisconsin
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.70 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
12.24 μg/m³
0
55
155
255
425
605+
33.87 ppb
0
55
71
86
201
201+
0.14 ppb
0
36
76
186
605
1005+
2.44 ppb
0
54
101
361
1250
2050+
0.19 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Cudahy, Wisconsin
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AQI 31
Good
4.16μg/m³
PM2.5
12.46μg/m³
PM10
33.98ppb
O3
0.16ppb
SO2
3.59ppb
NO2
0.19ppm
CO
AQI 31
Good
4.15μg/m³
PM2.5
12.95μg/m³
PM10
34.04ppb
O3
0.16ppb
SO2
3.46ppb
NO2
0.19ppm
CO
AQI 31
Good
4.38μg/m³
PM2.5
17.86μg/m³
PM10
33.69ppb
O3
0.14ppb
SO2
3.14ppb
NO2
0.19ppm
CO
AQI 31
Good
4.19μg/m³
PM2.5
12.07μg/m³
PM10
33.97ppb
O3
0.16ppb
SO2
3.72ppb
NO2
0.20ppm
CO
AQI 31
Good
4.21μg/m³
PM2.5
12.79μg/m³
PM10
33.84ppb
O3
0.16ppb
SO2
3.64ppb
NO2
0.20ppm
CO
AQI 31
Good
4.28μg/m³
PM2.5
15.42μg/m³
PM10
33.67ppb
O3
0.15ppb
SO2
3.27ppb
NO2
0.19ppm
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 10:00:00 on 2026-04-27.
In the last 24 hours, the best air quality in Cudahy, Wisconsin was observed at 06:00:00 on 2026-04-28.
As of now, the AQI in Cudahy, Wisconsin is 31, indicating Good conditions.
Cudahy, Wisconsin air has the highest levels of O3.
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 4.221 μg/m3.
The PM10 concentration in Cudahy, Wisconsin is 13.395 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Cudahy, Wisconsin is 0.194 ppm.
Currently, Cudahy, Wisconsin has a sulfur dioxide (SO2) concentration of 0.16 ppb.
The current ozone (O3) level in Cudahy, Wisconsin at the moment is 34.105 ppm.
Nitrogen dioxide (NO2) level in Cudahy, Wisconsin at the moment is 3.543 ppb.
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