Stay updated with real-time air quality in Brown Deer, 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)
44
Good
Brown Deer, Wisconsin
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
8.44 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
30.51 μg/m³
0
55
155
255
425
605+
17.37 ppb
0
55
71
86
201
201+
0.67 ppb
0
36
76
186
605
1005+
9.25 ppb
0
54
101
361
1250
2050+
0.41 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Brown Deer, Wisconsin
Brown Deer, Wisconsin
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AQI 19
Good
2.72μg/m³
PM2.5
10.66μg/m³
PM10
21.15ppb
O3
0.68ppb
SO2
3.14ppb
NO2
0.18ppm
CO
AQI 20
Good
2.66μg/m³
PM2.5
10.49μg/m³
PM10
21.98ppb
O3
0.70ppb
SO2
2.41ppb
NO2
0.18ppm
CO
AQI 19
Good
2.72μg/m³
PM2.5
10.66μg/m³
PM10
20.89ppb
O3
0.68ppb
SO2
3.34ppb
NO2
0.18ppm
CO
AQI 20
Good
2.68μg/m³
PM2.5
10.54μg/m³
PM10
21.86ppb
O3
0.70ppb
SO2
2.52ppb
NO2
0.18ppm
CO
AQI 19
Good
2.70μg/m³
PM2.5
10.19μg/m³
PM10
21.21ppb
O3
0.62ppb
SO2
3.68ppb
NO2
0.16ppm
CO
AQI 19
Good
2.81μg/m³
PM2.5
10.92μg/m³
PM10
20.54ppb
O3
0.68ppb
SO2
3.55ppb
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 Brown Deer, Wisconsin is updated every hour for accuracy.
In the past 24 hours, the air quality in Brown Deer, Wisconsin was at its worst at 10:00:00 on 2025-09-06.
In the last 24 hours, the best air quality in Brown Deer, Wisconsin was observed at 03:00:00 on 2025-09-06.
As of now, the AQI in Brown Deer, Wisconsin is 44, indicating Good conditions.
Brown Deer, Wisconsin air has the highest levels of PM2.5.
Poor air quality in Brown Deer, Wisconsin means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Brown Deer, Wisconsin are currently 8.436 μg/m3.
The PM10 concentration in Brown Deer, Wisconsin is 30.506 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Brown Deer, Wisconsin is 0.407 ppm.
Currently, Brown Deer, Wisconsin has a sulfur dioxide (SO2) concentration of 0.669 ppb.
The current ozone (O3) level in Brown Deer, Wisconsin at the moment is 17.366 ppm.
Nitrogen dioxide (NO2) level in Brown Deer, Wisconsin at the moment is 9.252 ppb.
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