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)
18
Good
Brown Deer, Wisconsin
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
0.95 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
3.48 μg/m³
0
55
155
255
425
605+
19.37 ppb
0
55
71
86
201
201+
0.86 ppb
0
36
76
186
605
1005+
2.16 ppb
0
54
101
361
1250
2050+
0.11 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 16
Good
1.01μg/m³
PM2.5
3.31μg/m³
PM10
17.25ppb
O3
1.12ppb
SO2
1.93ppb
NO2
0.10ppm
CO
AQI 16
Good
1.00μg/m³
PM2.5
3.09μg/m³
PM10
17.12ppb
O3
1.20ppb
SO2
1.80ppb
NO2
0.10ppm
CO
AQI 21
Good
0.84μg/m³
PM2.5
2.88μg/m³
PM10
22.52ppb
O3
0.95ppb
SO2
1.98ppb
NO2
0.10ppm
CO
AQI 16
Good
1.01μg/m³
PM2.5
3.15μg/m³
PM10
17.11ppb
O3
1.19ppb
SO2
1.82ppb
NO2
0.10ppm
CO
AQI 19
Good
0.89μg/m³
PM2.5
2.77μg/m³
PM10
20.77ppb
O3
0.87ppb
SO2
2.01ppb
NO2
0.10ppm
CO
AQI 16
Good
1.06μg/m³
PM2.5
3.87μg/m³
PM10
17.15ppb
O3
1.04ppb
SO2
2.10ppb
NO2
0.10ppm
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 2025-10-21.
In the last 24 hours, the best air quality in Brown Deer, Wisconsin was observed at 09:00:00 on 2025-10-22.
As of now, the AQI in Brown Deer, Wisconsin is 18, 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 0.946 μg/m3.
The PM10 concentration in Brown Deer, Wisconsin is 3.482 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Brown Deer, Wisconsin is 0.108 ppm.
Currently, Brown Deer, Wisconsin has a sulfur dioxide (SO2) concentration of 0.864 ppb.
The current ozone (O3) level in Brown Deer, Wisconsin at the moment is 19.367 ppm.
Nitrogen dioxide (NO2) level in Brown Deer, Wisconsin at the moment is 2.164 ppb.
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