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)
58
Moderate
Glenmont, Maryland
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.08 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
18.28 μg/m³
0
55
155
255
425
605+
57.43 ppb
0
55
71
86
201
201+
0.54 ppb
0
36
76
186
605
1005+
1.55 ppb
0
54
101
361
1250
2050+
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Glenmont, Maryland
Glenmont, Maryland
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AQI 58
Moderate
4.08μg/m³
PM2.5
18.28μg/m³
PM10
57.43ppb
O3
0.54ppb
SO2
1.55ppb
NO2
0.20ppm
CO
AQI 51
Moderate
3.35μg/m³
PM2.5
14.45μg/m³
PM10
55.15ppb
O3
0.53ppb
SO2
1.65ppb
NO2
0.20ppm
CO
AQI 61
Moderate
4.29μg/m³
PM2.5
19.38μg/m³
PM10
58.05ppb
O3
0.54ppb
SO2
1.49ppb
NO2
0.20ppm
CO
AQI 61
Moderate
4.12μg/m³
PM2.5
18.73μg/m³
PM10
58.25ppb
O3
0.50ppb
SO2
1.50ppb
NO2
0.18ppm
CO
AQI 64
Moderate
4.83μg/m³
PM2.5
22.09μg/m³
PM10
59.28ppb
O3
0.54ppb
SO2
1.48ppb
NO2
0.20ppm
CO
AQI 54
Moderate
3.52μg/m³
PM2.5
15.25μg/m³
PM10
55.53ppb
O3
0.55ppb
SO2
1.68ppb
NO2
0.20ppm
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 07:00:00 on 2026-06-13.
In the last 24 hrs, the best air quality in Glenmont, Maryland was observed at 09:00:00 on 2026-06-13.
The current air quality in Glenmont, Maryland is 58, categorized as Moderate based on real-time data.
The most common pollutant in Glenmont, Maryland is O3.
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 4.076 μg/m3.
The current PM10 concentration at Glenmont, Maryland is 18.281 μg/m3.
The current carbon monoxide (CO) concentration at Glenmont, Maryland is 0.199 ppm.
The current sulfur dioxide (SO2) concentration at Glenmont, Maryland is 0.539 ppb.
The current ozone (O3) concentration at Glenmont, Maryland is 57.428 ppm.
The current nitrogen dioxide (NO2) concentration at Glenmont, Maryland is 1.546 ppb.
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