Stay updated with real-time air quality in Menomonee Falls, 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)
49
Good
Menomonee Falls, Wisconsin
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
8.86 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
14.38 μg/m³
0
55
155
255
425
605+
20.38 ppb
0
55
71
86
201
201+
0.80 ppb
0
36
76
186
605
1005+
6.24 ppb
0
54
101
361
1250
2050+
0.23 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Menomonee Falls, Wisconsin
Menomonee Falls, Wisconsin
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AQI 49
Good
8.73μg/m³
PM2.5
14.52μg/m³
PM10
20.39ppb
O3
0.79ppb
SO2
6.19ppb
NO2
0.23ppm
CO
AQI 49
Good
8.74μg/m³
PM2.5
22.00μg/m³
PM10
20.23ppb
O3
0.87ppb
SO2
6.05ppb
NO2
0.24ppm
CO
AQI 44
Good
8.02μg/m³
PM2.5
14.87μg/m³
PM10
21.93ppb
O3
0.72ppb
SO2
7.00ppb
NO2
0.22ppm
CO
AQI 49
Good
8.94μg/m³
PM2.5
35.28μg/m³
PM10
15.48ppb
O3
1.03ppb
SO2
5.41ppb
NO2
0.27ppm
CO
AQI 49
Good
8.73μg/m³
PM2.5
22.13μg/m³
PM10
20.41ppb
O3
0.81ppb
SO2
7.42ppb
NO2
0.25ppm
CO
AQI 49
Good
8.53μg/m³
PM2.5
15.44μg/m³
PM10
20.53ppb
O3
0.71ppb
SO2
6.69ppb
NO2
0.21ppm
CO
The air quality data for Wisconsin, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.
Source: Ambee Data Sources
Air quality updates for Menomonee Falls, Wisconsin are available every hour.
Menomonee Falls, Wisconsin experienced its worst air quality at 03:00:00, 2025-12-07.
The best air quality in Menomonee Falls, Wisconsin was observed at 08:00:00 on 2025-12-06.
The air quality in Menomonee Falls, Wisconsin right now is Good, with an AQI of 49.
In Menomonee Falls, Wisconsin, PM2.5 is the most frequently found pollutant.
When air quality in Menomonee Falls, Wisconsin is compromised, staying indoors and wearing a mask can reduce health risks.
Menomonee Falls, Wisconsin currently has a PM2.5 concentration of 8.864 μg/m3.
Menomonee Falls, Wisconsin currently has a PM10 concentration of 14.383 μg/m3.
The current carbon monoxide (CO) level in Menomonee Falls, Wisconsin is 0.232 ppm.
The current sulfur dioxide (SO2) concentration in Menomonee Falls, Wisconsin is 0.801 ppb.
Menomonee Falls, Wisconsin currently has an ozone (O3) concentration of 20.376 ppm.
The current level of nitrogen dioxide (NO2) in Menomonee Falls, Wisconsin is 6.235 ppb.
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