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)
49
Good
Bellefontaine Neighbors, Missouri
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
9.01 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
27.22 μg/m³
0
55
155
255
425
605+
45.23 ppb
0
55
71
86
201
201+
0.30 ppb
0
36
76
186
605
1005+
4.18 ppb
0
54
101
361
1250
2050+
0.24 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 49
Good
8.56μg/m³
PM2.5
29.41μg/m³
PM10
50.48ppb
O3
0.23ppb
SO2
5.07ppb
NO2
0.24ppm
CO
AQI 52
Moderate
9.77μg/m³
PM2.5
34.04μg/m³
PM10
48.99ppb
O3
0.41ppb
SO2
3.52ppb
NO2
0.24ppm
CO
AQI 46
Good
8.08μg/m³
PM2.5
26.70μg/m³
PM10
50.15ppb
O3
0.29ppb
SO2
4.77ppb
NO2
0.25ppm
CO
AQI 52
Moderate
10.20μg/m³
PM2.5
33.28μg/m³
PM10
49.95ppb
O3
0.23ppb
SO2
4.46ppb
NO2
0.22ppm
CO
AQI 46
Good
8.25μg/m³
PM2.5
29.07μg/m³
PM10
49.72ppb
O3
0.38ppb
SO2
4.57ppb
NO2
0.25ppm
CO
AQI 44
Good
6.20μg/m³
PM2.5
25.48μg/m³
PM10
48.12ppb
O3
0.36ppb
SO2
5.37ppb
NO2
0.27ppm
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 08:00:00 on 2026-08-08.
The best air quality in Bellefontaine Neighbors, Missouri was recorded at 01:00:00 on 2026-08-08.
The real-time air quality index in Bellefontaine Neighbors, Missouri is 49, 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 9.34 μg/m3.
The current PM10 levels in Bellefontaine Neighbors, Missouri are 27.17 μg/m3.
The current carbon monoxide (CO) level in Bellefontaine Neighbors, Missouri is 0.219 ppm.
The current sulfur dioxide (SO2) levels in Bellefontaine Neighbors, Missouri are 0.517 ppb.
The current ozone (O3) levels at Bellefontaine Neighbors, Missouri is 50.141 ppm.
The current nitrogen dioxide (NO2) levels at Bellefontaine Neighbors, Missouri is 4.223 ppb.
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