Stay updated with real-time air quality in Germantown, 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)
31
Good
Germantown, Maryland
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.35 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
24.09 μg/m³
0
55
155
255
425
605+
33.26 ppb
0
55
71
86
201
201+
0.42 ppb
0
36
76
186
605
1005+
18.88 ppb
0
54
101
361
1250
2050+
0.14 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Germantown, Maryland
Germantown, Maryland
Scroll To Air Quality MapLoading...
AQI 35
Good
6.36μg/m³
PM2.5
31.28μg/m³
PM10
37.52ppb
O3
0.38ppb
SO2
9.14ppb
NO2
0.16ppm
CO
AQI 44
Good
8.05μg/m³
PM2.5
47.20μg/m³
PM10
35.27ppb
O3
0.37ppb
SO2
15.43ppb
NO2
0.16ppm
CO
AQI 38
Good
6.82μg/m³
PM2.5
15.32μg/m³
PM10
38.05ppb
O3
0.38ppb
SO2
11.73ppb
NO2
0.16ppm
CO
AQI 35
Good
6.31μg/m³
PM2.5
31.03μg/m³
PM10
37.55ppb
O3
0.38ppb
SO2
9.18ppb
NO2
0.16ppm
CO
AQI 46
Good
8.16μg/m³
PM2.5
49.51μg/m³
PM10
36.20ppb
O3
0.38ppb
SO2
10.82ppb
NO2
0.16ppm
CO
AQI 35
Good
5.51μg/m³
PM2.5
26.45μg/m³
PM10
37.92ppb
O3
0.37ppb
SO2
9.91ppb
NO2
0.16ppm
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 Germantown, Maryland is updated on an hourly basis.
The worst air quality in Germantown, Maryland was recorded at 02:00:00 on 2026-01-22.
The best air quality in Germantown, Maryland was recorded at 04:00:00 on 2026-01-22.
The real-time air quality index in Germantown, Maryland is 31, currently categorized as Good.
The most common pollutant in Germantown, Maryland is O3.
If the air quality in Germantown, Maryland is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Germantown, Maryland at present are 5.352 μg/m3.
The current PM10 levels in Germantown, Maryland are 24.092 μg/m3.
The current carbon monoxide (CO) level in Germantown, Maryland is 0.141 ppm.
The current sulfur dioxide (SO2) levels in Germantown, Maryland are 0.423 ppb.
The current ozone (O3) levels at Germantown, Maryland is 33.259 ppm.
The current nitrogen dioxide (NO2) levels at Germantown, Maryland is 18.884 ppb.
All Rights Reserved © Ambee Inc. 2025