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)
27
Good
Waukesha City, Wisconsin
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.81 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
11.21 μg/m³
0
55
155
255
425
605+
26.57 ppb
0
55
71
86
201
201+
0.74 ppb
0
36
76
186
605
1005+
16.77 ppb
0
54
101
361
1250
2050+
0.25 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Waukesha City, Wisconsin
Waukesha City, Wisconsin
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AQI 27
Good
4.81μg/m³
PM2.5
11.21μg/m³
PM10
26.57ppb
O3
0.74ppb
SO2
16.77ppb
NO2
0.25ppm
CO
AQI 27
Good
4.83μg/m³
PM2.5
11.74μg/m³
PM10
26.59ppb
O3
0.74ppb
SO2
16.65ppb
NO2
0.25ppm
CO
AQI 27
Good
5.32μg/m³
PM2.5
14.41μg/m³
PM10
26.51ppb
O3
0.78ppb
SO2
16.29ppb
NO2
0.26ppm
CO
AQI 33
Good
5.67μg/m³
PM2.5
25.64μg/m³
PM10
26.65ppb
O3
0.83ppb
SO2
16.28ppb
NO2
0.27ppm
CO
AQI 25
Good
4.38μg/m³
PM2.5
21.80μg/m³
PM10
27.10ppb
O3
0.68ppb
SO2
17.06ppb
NO2
0.23ppm
CO
AQI 27
Good
5.42μg/m³
PM2.5
15.44μg/m³
PM10
26.51ppb
O3
0.76ppb
SO2
16.78ppb
NO2
0.26ppm
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 2025-12-07.
In the last 24 hours, the best air quality in Waukesha City, Wisconsin was observed at 11:00:00 on 2025-12-07.
As of now, the AQI in Waukesha City, Wisconsin is 27, 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 4.808 μg/m3.
The PM10 concentration in Waukesha City, Wisconsin is 11.206 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Waukesha City, Wisconsin is 0.251 ppm.
Currently, Waukesha City, Wisconsin has a sulfur dioxide (SO2) concentration of 0.737 ppb.
The current ozone (O3) level in Waukesha City, Wisconsin at the moment is 26.575 ppm.
Nitrogen dioxide (NO2) level in Waukesha City, Wisconsin at the moment is 16.771 ppb.
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