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)
22
Good
Waukesha City, Wisconsin
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.50 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
3.06 μg/m³
0
55
155
255
425
605+
24.02 ppb
0
55
71
86
201
201+
0.33 ppb
0
36
76
186
605
1005+
9.21 ppb
0
54
101
361
1250
2050+
0.17 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Waukesha City, Wisconsin
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AQI 22
Good
2.50μg/m³
PM2.5
3.06μg/m³
PM10
24.02ppb
O3
0.33ppb
SO2
9.21ppb
NO2
0.17ppm
CO
AQI 22
Good
2.52μg/m³
PM2.5
3.22μg/m³
PM10
23.95ppb
O3
0.33ppb
SO2
9.22ppb
NO2
0.17ppm
CO
AQI 19
Good
2.60μg/m³
PM2.5
5.35μg/m³
PM10
19.79ppb
O3
0.33ppb
SO2
8.37ppb
NO2
0.18ppm
CO
AQI 19
Good
2.68μg/m³
PM2.5
6.34μg/m³
PM10
20.09ppb
O3
0.32ppb
SO2
10.65ppb
NO2
0.18ppm
CO
AQI 22
Good
2.51μg/m³
PM2.5
5.21μg/m³
PM10
24.23ppb
O3
0.33ppb
SO2
7.62ppb
NO2
0.17ppm
CO
AQI 19
Good
2.63μg/m³
PM2.5
5.85μg/m³
PM10
20.01ppb
O3
0.33ppb
SO2
11.11ppb
NO2
0.18ppm
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 09:00:00 on 2026-03-10.
In the last 24 hours, the best air quality in Waukesha City, Wisconsin was observed at 03:00:00 on 2026-03-11.
As of now, the AQI in Waukesha City, Wisconsin is 22, indicating Good conditions.
Waukesha City, Wisconsin air has the highest levels of O3.
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 2.504 μg/m3.
The PM10 concentration in Waukesha City, Wisconsin is 3.059 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Waukesha City, Wisconsin is 0.174 ppm.
Currently, Waukesha City, Wisconsin has a sulfur dioxide (SO2) concentration of 0.329 ppb.
The current ozone (O3) level in Waukesha City, Wisconsin at the moment is 24.024 ppm.
Nitrogen dioxide (NO2) level in Waukesha City, Wisconsin at the moment is 9.212 ppb.
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