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)
34
Good
Cudahy, Wisconsin
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.33 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
9.03 μg/m³
0
55
155
255
425
605+
37.50 ppb
0
55
71
86
201
201+
0.32 ppb
0
36
76
186
605
1005+
4.01 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 31
Good
4.58μg/m³
PM2.5
11.00μg/m³
PM10
33.11ppb
O3
0.27ppb
SO2
5.83ppb
NO2
0.29ppm
CO
AQI 31
Good
4.61μg/m³
PM2.5
11.46μg/m³
PM10
33.02ppb
O3
0.27ppb
SO2
5.64ppb
NO2
0.29ppm
CO
AQI 29
Good
4.67μg/m³
PM2.5
16.13μg/m³
PM10
31.31ppb
O3
0.25ppb
SO2
4.44ppb
NO2
0.28ppm
CO
AQI 31
Good
4.50μg/m³
PM2.5
10.81μg/m³
PM10
32.91ppb
O3
0.27ppb
SO2
5.97ppb
NO2
0.29ppm
CO
AQI 31
Good
4.50μg/m³
PM2.5
11.47μg/m³
PM10
32.62ppb
O3
0.27ppb
SO2
5.79ppb
NO2
0.29ppm
CO
AQI 30
Good
4.53μg/m³
PM2.5
13.72μg/m³
PM10
31.71ppb
O3
0.26ppb
SO2
4.94ppb
NO2
0.28ppm
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 11:00:00 on 2026-03-15.
In the last 24 hours, the best air quality in Cudahy, Wisconsin was observed at 03:00:00 on 2026-03-15.
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 3.749 μg/m3.
The PM10 concentration in Cudahy, Wisconsin is 10.563 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Cudahy, Wisconsin is 0.196 ppm.
Currently, Cudahy, Wisconsin has a sulfur dioxide (SO2) concentration of 0.349 ppb.
The current ozone (O3) level in Cudahy, Wisconsin at the moment is 33.151 ppm.
Nitrogen dioxide (NO2) level in Cudahy, Wisconsin at the moment is 4.512 ppb.
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