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

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.73 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
30.26 μg/m³
0
55
155
255
425
605+
34.58 ppb
0
55
71
86
201
201+
0.42 ppb
0
36
76
186
605
1005+
4.37 ppb
0
54
101
361
1250
2050+
0.21 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Bellevue, Wisconsin
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AQI 32
Good
4.98μg/m³
PM2.5
21.84μg/m³
PM10
35.36ppb
O3
0.40ppb
SO2
6.53ppb
NO2
0.21ppm
CO
AQI 32
Good
4.99μg/m³
PM2.5
21.95μg/m³
PM10
35.35ppb
O3
0.40ppb
SO2
6.54ppb
NO2
0.21ppm
CO
AQI 32
Good
4.91μg/m³
PM2.5
21.26μg/m³
PM10
35.43ppb
O3
0.39ppb
SO2
6.52ppb
NO2
0.21ppm
CO
AQI 32
Good
4.96μg/m³
PM2.5
21.70μg/m³
PM10
35.38ppb
O3
0.40ppb
SO2
6.53ppb
NO2
0.21ppm
CO
AQI 32
Good
4.92μg/m³
PM2.5
21.40μg/m³
PM10
35.42ppb
O3
0.40ppb
SO2
6.52ppb
NO2
0.21ppm
CO
AQI 34
Good
4.52μg/m³
PM2.5
20.47μg/m³
PM10
36.75ppb
O3
0.40ppb
SO2
6.55ppb
NO2
0.21ppm
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 Bellevue, Wisconsin is updated every hour for accuracy.
In the past 24 hours, the air quality in Bellevue, Wisconsin was at its worst at 01:00:00 on 2026-03-09.
In the last 24 hours, the best air quality in Bellevue, Wisconsin was observed at 04:00:00 on 2026-03-09.
As of now, the AQI in Bellevue, Wisconsin is 38, indicating Good conditions.
Bellevue, Wisconsin air has the highest levels of PM2.5.
Poor air quality in Bellevue, Wisconsin means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Bellevue, Wisconsin are currently 6.728 μg/m3.
The PM10 concentration in Bellevue, Wisconsin is 30.262 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Bellevue, Wisconsin is 0.208 ppm.
Currently, Bellevue, Wisconsin has a sulfur dioxide (SO2) concentration of 0.419 ppb.
The current ozone (O3) level in Bellevue, Wisconsin at the moment is 34.58 ppm.
Nitrogen dioxide (NO2) level in Bellevue, Wisconsin at the moment is 4.369 ppb.
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