Stay updated with real-time air quality in Bellefontaine Neighbors, Missouri 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
Bellefontaine Neighbors, Missouri
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.87 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
29.48 μg/m³
0
55
155
255
425
605+
21.05 ppb
0
55
71
86
201
201+
0.28 ppb
0
36
76
186
605
1005+
3.82 ppb
0
54
101
361
1250
2050+
0.10 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Bellefontaine Neighbors, Missouri
Bellefontaine Neighbors, Missouri
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AQI 27
Good
5.37μg/m³
PM2.5
24.81μg/m³
PM10
22.00ppb
O3
0.30ppb
SO2
4.21ppb
NO2
0.10ppm
CO
AQI 27
Good
4.77μg/m³
PM2.5
18.93μg/m³
PM10
16.31ppb
O3
0.37ppb
SO2
2.80ppb
NO2
0.11ppm
CO
AQI 27
Good
4.71μg/m³
PM2.5
21.18μg/m³
PM10
20.51ppb
O3
0.33ppb
SO2
3.90ppb
NO2
0.10ppm
CO
AQI 33
Good
6.48μg/m³
PM2.5
26.61μg/m³
PM10
20.65ppb
O3
0.29ppb
SO2
3.72ppb
NO2
0.10ppm
CO
AQI 22
Good
3.54μg/m³
PM2.5
18.77μg/m³
PM10
17.77ppb
O3
0.39ppb
SO2
3.10ppb
NO2
0.10ppm
CO
AQI 18
Good
2.39μg/m³
PM2.5
10.67μg/m³
PM10
19.14ppb
O3
0.38ppb
SO2
3.78ppb
NO2
0.10ppm
CO
Air quality measurements for Missouri, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for Bellefontaine Neighbors, Missouri is updated on an hourly basis.
The worst air quality in Bellefontaine Neighbors, Missouri was recorded at 05:00:00 on 2026-01-23.
The best air quality in Bellefontaine Neighbors, Missouri was recorded at 01:00:00 on 2026-01-22.
The real-time air quality index in Bellefontaine Neighbors, Missouri is 38, currently categorized as Good.
The most common pollutant in Bellefontaine Neighbors, Missouri is PM2.5.
If the air quality in Bellefontaine Neighbors, Missouri is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Bellefontaine Neighbors, Missouri at present are 6.872 μg/m3.
The current PM10 levels in Bellefontaine Neighbors, Missouri are 29.478 μg/m3.
The current carbon monoxide (CO) level in Bellefontaine Neighbors, Missouri is 0.103 ppm.
The current sulfur dioxide (SO2) levels in Bellefontaine Neighbors, Missouri are 0.283 ppb.
The current ozone (O3) levels at Bellefontaine Neighbors, Missouri is 21.054 ppm.
The current nitrogen dioxide (NO2) levels at Bellefontaine Neighbors, Missouri is 3.822 ppb.
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