Stay updated with real-time air quality in Waukesha City, 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)
38
Good
Waukesha City, Wisconsin
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.50 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
10.19 μg/m³
0
55
155
255
425
605+
35.02 ppb
0
55
71
86
201
201+
0.34 ppb
0
36
76
186
605
1005+
5.38 ppb
0
54
101
361
1250
2050+
0.17 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Waukesha City, Wisconsin
Waukesha City, Wisconsin
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AQI 33
Good
6.21μg/m³
PM2.5
10.18μg/m³
PM10
35.03ppb
O3
0.28ppb
SO2
3.95ppb
NO2
0.18ppm
CO
AQI 33
Good
6.22μg/m³
PM2.5
10.70μg/m³
PM10
35.10ppb
O3
0.28ppb
SO2
3.93ppb
NO2
0.18ppm
CO
AQI 34
Good
6.46μg/m³
PM2.5
20.66μg/m³
PM10
37.41ppb
O3
0.28ppb
SO2
3.60ppb
NO2
0.18ppm
CO
AQI 34
Good
6.33μg/m³
PM2.5
13.06μg/m³
PM10
37.37ppb
O3
0.29ppb
SO2
4.30ppb
NO2
0.19ppm
CO
AQI 35
Good
6.44μg/m³
PM2.5
24.90μg/m³
PM10
38.43ppb
O3
0.27ppb
SO2
3.41ppb
NO2
0.17ppm
CO
AQI 36
Good
6.14μg/m³
PM2.5
24.06μg/m³
PM10
38.64ppb
O3
0.30ppb
SO2
3.63ppb
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 Waukesha City, Wisconsin is updated every hour for accuracy.
In the past 24 hours, the air quality in Waukesha City, Wisconsin was at its worst at 03:00:00 on 2026-06-07.
In the last 24 hours, the best air quality in Waukesha City, Wisconsin was observed at 10:00:00 on 2026-06-08.
As of now, the AQI in Waukesha City, Wisconsin is 38, indicating Good conditions.
Waukesha City, Wisconsin air has the highest levels of PM2.5.
Poor air quality in Waukesha City, Wisconsin means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Waukesha City, Wisconsin are currently 6.503 μg/m3.
The PM10 concentration in Waukesha City, Wisconsin is 10.192 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Waukesha City, Wisconsin is 0.172 ppm.
Currently, Waukesha City, Wisconsin has a sulfur dioxide (SO2) concentration of 0.342 ppb.
The current ozone (O3) level in Waukesha City, Wisconsin at the moment is 35.022 ppm.
Nitrogen dioxide (NO2) level in Waukesha City, Wisconsin at the moment is 5.384 ppb.
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