Stay updated with real-time air quality in Glenmont, 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)
49
Good
Glenmont, Maryland
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
8.67 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
38.28 μg/m³
0
55
155
255
425
605+
29.03 ppb
0
55
71
86
201
201+
0.50 ppb
0
36
76
186
605
1005+
10.47 ppb
0
54
101
361
1250
2050+
0.18 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Glenmont, Maryland
Glenmont, Maryland
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AQI 44
Good
7.97μg/m³
PM2.5
30.40μg/m³
PM10
32.19ppb
O3
0.46ppb
SO2
11.54ppb
NO2
0.19ppm
CO
AQI 33
Good
6.12μg/m³
PM2.5
24.83μg/m³
PM10
31.76ppb
O3
0.43ppb
SO2
12.80ppb
NO2
0.18ppm
CO
AQI 44
Good
8.45μg/m³
PM2.5
31.55μg/m³
PM10
32.41ppb
O3
0.46ppb
SO2
11.11ppb
NO2
0.19ppm
CO
AQI 44
Good
8.44μg/m³
PM2.5
32.76μg/m³
PM10
31.51ppb
O3
0.44ppb
SO2
11.28ppb
NO2
0.19ppm
CO
AQI 49
Good
9.34μg/m³
PM2.5
35.32μg/m³
PM10
31.31ppb
O3
0.49ppb
SO2
10.97ppb
NO2
0.19ppm
CO
AQI 38
Good
6.60μg/m³
PM2.5
27.00μg/m³
PM10
32.14ppb
O3
0.45ppb
SO2
12.40ppb
NO2
0.18ppm
CO
Air quality data and pollutant measurements for Maryland, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
The air quality for Glenmont, Maryland is updated every hour.
The worst air quality in Glenmont, Maryland in the last 24 hours was observed at 03:00:00 on 2026-01-22.
In the last 24 hrs, the best air quality in Glenmont, Maryland was observed at 02:00:00 on 2026-01-23.
The current air quality in Glenmont, Maryland is 49, categorized as Good based on real-time data.
The most common pollutant in Glenmont, Maryland is PM2.5.
If the air quality in Glenmont, Maryland is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Glenmont, Maryland is 8.668 μg/m3.
The current PM10 concentration at Glenmont, Maryland is 38.28 μg/m3.
The current carbon monoxide (CO) concentration at Glenmont, Maryland is 0.18 ppm.
The current sulfur dioxide (SO2) concentration at Glenmont, Maryland is 0.498 ppb.
The current ozone (O3) concentration at Glenmont, Maryland is 29.027 ppm.
The current nitrogen dioxide (NO2) concentration at Glenmont, Maryland is 10.467 ppb.
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