Stay updated with real-time air quality in Bel Air South, Maryland 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)
27
Good
Bel Air South, Maryland
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.63 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
10.85 μg/m³
0
55
155
255
425
605+
28.96 ppb
0
55
71
86
201
201+
0.23 ppb
0
36
76
186
605
1005+
5.67 ppb
0
54
101
361
1250
2050+
0.22 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Bel Air South, Maryland
Bel Air South, Maryland
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AQI 25
Good
2.67μg/m³
PM2.5
11.19μg/m³
PM10
26.86ppb
O3
0.26ppb
SO2
5.75ppb
NO2
0.22ppm
CO
AQI 24
Good
3.30μg/m³
PM2.5
20.25μg/m³
PM10
26.19ppb
O3
0.27ppb
SO2
5.76ppb
NO2
0.22ppm
CO
AQI 27
Good
2.24μg/m³
PM2.5
9.14μg/m³
PM10
29.05ppb
O3
0.23ppb
SO2
5.63ppb
NO2
0.22ppm
CO
AQI 27
Good
1.94μg/m³
PM2.5
8.15μg/m³
PM10
29.00ppb
O3
0.24ppb
SO2
5.69ppb
NO2
0.22ppm
CO
AQI 26
Good
2.70μg/m³
PM2.5
11.52μg/m³
PM10
28.27ppb
O3
0.23ppb
SO2
6.17ppb
NO2
0.22ppm
CO
AQI 27
Good
2.71μg/m³
PM2.5
9.92μg/m³
PM10
29.35ppb
O3
0.19ppb
SO2
5.38ppb
NO2
0.22ppm
CO
Air quality measurements for Maryland, 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 Bel Air South, Maryland is updated on an hourly basis.
The worst air quality in Bel Air South, Maryland was recorded at 07:00:00 on 2026-06-07.
The best air quality in Bel Air South, Maryland was recorded at 10:00:00 on 2026-06-08.
The real-time air quality index in Bel Air South, Maryland is 27, currently categorized as Good.
The most common pollutant in Bel Air South, Maryland is O3.
If the air quality in Bel Air South, Maryland is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Bel Air South, Maryland at present are 2.634 μg/m3.
The current PM10 levels in Bel Air South, Maryland are 10.847 μg/m3.
The current carbon monoxide (CO) level in Bel Air South, Maryland is 0.22 ppm.
The current sulfur dioxide (SO2) levels in Bel Air South, Maryland are 0.227 ppb.
The current ozone (O3) levels at Bel Air South, Maryland is 28.962 ppm.
The current nitrogen dioxide (NO2) levels at Bel Air South, Maryland is 5.665 ppb.
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