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)
38
Good
Brown Deer, Wisconsin
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.63 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
27.38 μg/m³
0
55
155
255
425
605+
38.70 ppb
0
55
71
86
201
201+
0.29 ppb
0
36
76
186
605
1005+
2.48 ppb
0
54
101
361
1250
2050+
0.19 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Brown Deer, Wisconsin
Brown Deer, Wisconsin
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AQI 34
Good
6.29μg/m³
PM2.5
20.26μg/m³
PM10
37.35ppb
O3
0.31ppb
SO2
3.03ppb
NO2
0.18ppm
CO
AQI 36
Good
6.25μg/m³
PM2.5
20.54μg/m³
PM10
38.97ppb
O3
0.31ppb
SO2
1.83ppb
NO2
0.18ppm
CO
AQI 34
Good
6.21μg/m³
PM2.5
19.71μg/m³
PM10
37.31ppb
O3
0.31ppb
SO2
3.37ppb
NO2
0.18ppm
CO
AQI 36
Good
6.27μg/m³
PM2.5
20.79μg/m³
PM10
38.65ppb
O3
0.31ppb
SO2
2.05ppb
NO2
0.18ppm
CO
AQI 33
Good
6.25μg/m³
PM2.5
18.63μg/m³
PM10
33.48ppb
O3
0.30ppb
SO2
3.60ppb
NO2
0.17ppm
CO
AQI 33
Good
6.44μg/m³
PM2.5
22.70μg/m³
PM10
35.40ppb
O3
0.32ppb
SO2
4.56ppb
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 2026-06-07.
In the last 24 hours, the best air quality in Brown Deer, Wisconsin was observed at 08:00:00 on 2026-06-08.
As of now, the AQI in Brown Deer, Wisconsin is 34, indicating Good conditions.
Brown Deer, Wisconsin air has the highest levels of O3.
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 6.288 μg/m3.
The PM10 concentration in Brown Deer, Wisconsin is 20.261 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Brown Deer, Wisconsin is 0.181 ppm.
Currently, Brown Deer, Wisconsin has a sulfur dioxide (SO2) concentration of 0.31 ppb.
The current ozone (O3) level in Brown Deer, Wisconsin at the moment is 37.346 ppm.
Nitrogen dioxide (NO2) level in Brown Deer, Wisconsin at the moment is 3.026 ppb.
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