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)
77
Moderate
Wauwatosa, Wisconsin
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
22.69 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
65.21 μg/m³
0
55
155
255
425
605+
21.95 ppb
0
55
71
86
201
201+
0.34 ppb
0
36
76
186
605
1005+
3.23 ppb
0
54
101
361
1250
2050+
0.29 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Wauwatosa, Wisconsin
Wauwatosa, Wisconsin
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AQI 77
Moderate
22.66μg/m³
PM2.5
61.22μg/m³
PM10
21.89ppb
O3
0.36ppb
SO2
3.58ppb
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 81
Moderate
24.54μg/m³
PM2.5
42.78μg/m³
PM10
23.49ppb
O3
0.56ppb
SO2
3.16ppb
NO2
0.27ppm
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
22.91μg/m³
PM2.5
84.54μg/m³
PM10
24.62ppb
O3
0.21ppb
SO2
0.49ppb
NO2
0.28ppm
CO
AQI 77
Moderate
22.76μg/m³
PM2.5
59.59μg/m³
PM10
21.44ppb
O3
0.30ppb
SO2
1.67ppb
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 Wauwatosa, Wisconsin is updated every hour for accuracy.
In the past 24 hours, the air quality in Wauwatosa, Wisconsin was at its worst at 04:00:00 on 2026-08-23.
In the last 24 hours, the best air quality in Wauwatosa, Wisconsin was observed at 02:00:00 on 2026-08-23.
As of now, the AQI in Wauwatosa, Wisconsin is 77, indicating Moderate conditions.
Wauwatosa, Wisconsin air has the highest levels of PM2.5.
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 22.688 μg/m3.
The PM10 concentration in Wauwatosa, Wisconsin is 65.212 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Wauwatosa, Wisconsin is 0.287 ppm.
Currently, Wauwatosa, Wisconsin has a sulfur dioxide (SO2) concentration of 0.343 ppb.
The current ozone (O3) level in Wauwatosa, Wisconsin at the moment is 21.95 ppm.
Nitrogen dioxide (NO2) level in Wauwatosa, Wisconsin at the moment is 3.234 ppb.
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