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)
37
Good
Bellevue, Wisconsin
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.68 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
20.63 μg/m³
0
55
155
255
425
605+
39.70 ppb
0
55
71
86
201
201+
0.56 ppb
0
36
76
186
605
1005+
4.77 ppb
0
54
101
361
1250
2050+
0.14 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Bellevue, Wisconsin
Scroll To Air Quality MapLoading...
AQI 37
Good
4.70μg/m³
PM2.5
20.91μg/m³
PM10
40.49ppb
O3
0.56ppb
SO2
4.77ppb
NO2
0.14ppm
CO
AQI 38
Good
4.70μg/m³
PM2.5
20.95μg/m³
PM10
40.65ppb
O3
0.56ppb
SO2
4.77ppb
NO2
0.14ppm
CO
AQI 37
Good
4.70μg/m³
PM2.5
20.88μg/m³
PM10
40.16ppb
O3
0.56ppb
SO2
4.77ppb
NO2
0.14ppm
CO
AQI 37
Good
4.70μg/m³
PM2.5
20.90μg/m³
PM10
40.43ppb
O3
0.56ppb
SO2
4.77ppb
NO2
0.14ppm
CO
AQI 37
Good
4.70μg/m³
PM2.5
20.86μg/m³
PM10
40.24ppb
O3
0.56ppb
SO2
4.77ppb
NO2
0.14ppm
CO
AQI 37
Good
4.66μg/m³
PM2.5
17.34μg/m³
PM10
39.85ppb
O3
0.57ppb
SO2
4.77ppb
NO2
0.14ppm
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 03:00:00 on 2026-07-23.
In the last 24 hours, the best air quality in Bellevue, Wisconsin was observed at 04:00:00 on 2026-07-23.
As of now, the AQI in Bellevue, Wisconsin is 37, 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 4.682 μg/m3.
The PM10 concentration in Bellevue, Wisconsin is 20.625 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Bellevue, Wisconsin is 0.141 ppm.
Currently, Bellevue, Wisconsin has a sulfur dioxide (SO2) concentration of 0.56 ppb.
The current ozone (O3) level in Bellevue, Wisconsin at the moment is 39.695 ppm.
Nitrogen dioxide (NO2) level in Bellevue, Wisconsin at the moment is 4.774 ppb.
All Rights Reserved © Ambee Inc. 2025