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

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.43 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
12.90 μg/m³
0
55
155
255
425
605+
33.35 ppb
0
55
71
86
201
201+
0.14 ppb
0
36
76
186
605
1005+
2.29 ppb
0
54
101
361
1250
2050+
0.19 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Wauwatosa, Wisconsin
Wauwatosa, Wisconsin
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AQI 31
Good
3.41μg/m³
PM2.5
12.36μg/m³
PM10
33.33ppb
O3
0.15ppb
SO2
2.35ppb
NO2
0.19ppm
CO
AQI 31
Good
3.48μg/m³
PM2.5
14.29μg/m³
PM10
33.64ppb
O3
0.14ppb
SO2
2.28ppb
NO2
0.19ppm
CO
AQI 30
Good
2.93μg/m³
PM2.5
8.51μg/m³
PM10
31.85ppb
O3
0.20ppb
SO2
2.25ppb
NO2
0.17ppm
CO
AQI 31
Good
3.24μg/m³
PM2.5
10.16μg/m³
PM10
33.29ppb
O3
0.16ppb
SO2
2.56ppb
NO2
0.19ppm
CO
AQI 31
Good
3.33μg/m³
PM2.5
12.05μg/m³
PM10
33.02ppb
O3
0.10ppb
SO2
1.76ppb
NO2
0.18ppm
CO
AQI 31
Good
3.33μg/m³
PM2.5
12.23μg/m³
PM10
32.55ppb
O3
0.13ppb
SO2
1.99ppb
NO2
0.17ppm
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 Wauwatosa, Wisconsin is updated every hour for accuracy.
In the past 24 hours, the air quality in Wauwatosa, Wisconsin was at its worst at 11:00:00 on 2026-04-27.
In the last 24 hours, the best air quality in Wauwatosa, Wisconsin was observed at 09:00:00 on 2026-04-28.
As of now, the AQI in Wauwatosa, Wisconsin is 31, indicating Good conditions.
Wauwatosa, Wisconsin air has the highest levels of O3.
Poor air quality in Wauwatosa, Wisconsin means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Wauwatosa, Wisconsin are currently 3.43 μg/m3.
The PM10 concentration in Wauwatosa, Wisconsin is 12.897 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Wauwatosa, Wisconsin is 0.187 ppm.
Currently, Wauwatosa, Wisconsin has a sulfur dioxide (SO2) concentration of 0.144 ppb.
The current ozone (O3) level in Wauwatosa, Wisconsin at the moment is 33.349 ppm.
Nitrogen dioxide (NO2) level in Wauwatosa, Wisconsin at the moment is 2.288 ppb.
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