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)
18
Good
Waukesha City, Wisconsin
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
0.90 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
2.02 μg/m³
0
55
155
255
425
605+
19.25 ppb
0
55
71
86
201
201+
0.80 ppb
0
36
76
186
605
1005+
4.57 ppb
0
54
101
361
1250
2050+
0.18 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 18
Good
0.90μg/m³
PM2.5
2.02μg/m³
PM10
19.25ppb
O3
0.80ppb
SO2
4.57ppb
NO2
0.18ppm
CO
AQI 18
Good
0.91μg/m³
PM2.5
2.09μg/m³
PM10
19.26ppb
O3
0.80ppb
SO2
4.58ppb
NO2
0.18ppm
CO
AQI 18
Good
0.84μg/m³
PM2.5
2.04μg/m³
PM10
18.85ppb
O3
0.83ppb
SO2
4.59ppb
NO2
0.18ppm
CO
AQI 18
Good
0.87μg/m³
PM2.5
2.17μg/m³
PM10
19.20ppb
O3
0.85ppb
SO2
5.03ppb
NO2
0.19ppm
CO
AQI 18
Good
0.82μg/m³
PM2.5
2.08μg/m³
PM10
19.09ppb
O3
0.73ppb
SO2
4.35ppb
NO2
0.18ppm
CO
AQI 18
Good
0.87μg/m³
PM2.5
2.18μg/m³
PM10
18.99ppb
O3
0.81ppb
SO2
4.87ppb
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 2025-10-21.
In the last 24 hours, the best air quality in Waukesha City, Wisconsin was observed at 05:00:00 on 2025-10-22.
As of now, the AQI in Waukesha City, Wisconsin is 18, 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 0.902 μg/m3.
The PM10 concentration in Waukesha City, Wisconsin is 2.024 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Waukesha City, Wisconsin is 0.183 ppm.
Currently, Waukesha City, Wisconsin has a sulfur dioxide (SO2) concentration of 0.799 ppb.
The current ozone (O3) level in Waukesha City, Wisconsin at the moment is 19.255 ppm.
Nitrogen dioxide (NO2) level in Waukesha City, Wisconsin at the moment is 4.568 ppb.
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