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)
13
Good
Bellevue, Wisconsin
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
1.60 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
6.96 μg/m³
0
55
155
255
425
605+
13.71 ppb
0
55
71
86
201
201+
1.12 ppb
0
36
76
186
605
1005+
5.80 ppb
0
54
101
361
1250
2050+
0.27 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Bellevue, Wisconsin
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AQI 14
Good
1.49μg/m³
PM2.5
5.91μg/m³
PM10
14.63ppb
O3
0.93ppb
SO2
3.52ppb
NO2
0.20ppm
CO
AQI 14
Good
1.50μg/m³
PM2.5
5.97μg/m³
PM10
14.64ppb
O3
0.92ppb
SO2
3.52ppb
NO2
0.20ppm
CO
AQI 14
Good
1.44μg/m³
PM2.5
5.60μg/m³
PM10
14.62ppb
O3
0.95ppb
SO2
3.53ppb
NO2
0.20ppm
CO
AQI 14
Good
1.48μg/m³
PM2.5
5.84μg/m³
PM10
14.63ppb
O3
0.93ppb
SO2
3.52ppb
NO2
0.20ppm
CO
AQI 14
Good
1.45μg/m³
PM2.5
5.67μg/m³
PM10
14.62ppb
O3
0.94ppb
SO2
3.53ppb
NO2
0.20ppm
CO
AQI 14
Good
1.17μg/m³
PM2.5
4.36μg/m³
PM10
14.65ppb
O3
0.97ppb
SO2
3.52ppb
NO2
0.20ppm
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 12:00:00 on 2025-10-22.
In the last 24 hours, the best air quality in Bellevue, Wisconsin was observed at 07:00:00 on 2025-10-22.
As of now, the AQI in Bellevue, Wisconsin is 14, indicating Good conditions.
Bellevue, Wisconsin air has the highest levels of O3.
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 1.465 μg/m3.
The PM10 concentration in Bellevue, Wisconsin is 5.774 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Bellevue, Wisconsin is 0.198 ppm.
Currently, Bellevue, Wisconsin has a sulfur dioxide (SO2) concentration of 0.932 ppb.
The current ozone (O3) level in Bellevue, Wisconsin at the moment is 14.628 ppm.
Nitrogen dioxide (NO2) level in Bellevue, Wisconsin at the moment is 3.523 ppb.
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