Stay updated with real-time air quality in Germantown, 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)
45
Good
Germantown, Wisconsin
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.08 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
15.55 μg/m³
0
55
155
255
425
605+
49.28 ppb
0
55
71
86
201
201+
0.80 ppb
0
36
76
186
605
1005+
10.49 ppb
0
54
101
361
1250
2050+
0.28 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Germantown, Wisconsin
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AQI 46
Good
6.14μg/m³
PM2.5
15.61μg/m³
PM10
49.76ppb
O3
0.80ppb
SO2
10.63ppb
NO2
0.28ppm
CO
AQI 46
Good
6.07μg/m³
PM2.5
15.49μg/m³
PM10
49.93ppb
O3
0.80ppb
SO2
8.25ppb
NO2
0.29ppm
CO
AQI 44
Good
6.06μg/m³
PM2.5
15.55μg/m³
PM10
46.66ppb
O3
0.78ppb
SO2
4.98ppb
NO2
0.25ppm
CO
AQI 45
Good
5.93μg/m³
PM2.5
15.69μg/m³
PM10
49.45ppb
O3
0.82ppb
SO2
7.52ppb
NO2
0.28ppm
CO
AQI 45
Good
6.18μg/m³
PM2.5
15.67μg/m³
PM10
48.97ppb
O3
0.79ppb
SO2
5.26ppb
NO2
0.26ppm
CO
AQI 42
Good
6.39μg/m³
PM2.5
21.54μg/m³
PM10
45.40ppb
O3
0.74ppb
SO2
5.27ppb
NO2
0.35ppm
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 Germantown, Wisconsin are available every hour.
Germantown, Wisconsin experienced its worst air quality at 10:00:00, 2026-03-09.
The best air quality in Germantown, Wisconsin was observed at 02:00:00 on 2026-03-09.
The air quality in Germantown, Wisconsin right now is Good, with an AQI of 45.
In Germantown, Wisconsin, O3 is the most frequently found pollutant.
When air quality in Germantown, Wisconsin is compromised, staying indoors and wearing a mask can reduce health risks.
Germantown, Wisconsin currently has a PM2.5 concentration of 6.075 μg/m3.
Germantown, Wisconsin currently has a PM10 concentration of 15.55 μg/m3.
The current carbon monoxide (CO) level in Germantown, Wisconsin is 0.276 ppm.
The current sulfur dioxide (SO2) concentration in Germantown, Wisconsin is 0.803 ppb.
Germantown, Wisconsin currently has an ozone (O3) concentration of 49.283 ppm.
The current level of nitrogen dioxide (NO2) in Germantown, Wisconsin is 10.493 ppb.
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