Stay updated with real-time air quality in Potomac, 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)
56
Moderate
Potomac, Maryland
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
11.83 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
52.88 μg/m³
0
55
155
255
425
605+
40.83 ppb
0
55
71
86
201
201+
0.55 ppb
0
36
76
186
605
1005+
3.88 ppb
0
54
101
361
1250
2050+
0.15 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Potomac, Maryland
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AQI 38
Good
4.46μg/m³
PM2.5
13.44μg/m³
PM10
41.36ppb
O3
0.51ppb
SO2
3.78ppb
NO2
0.16ppm
CO
AQI 49
Good
9.37μg/m³
PM2.5
52.87μg/m³
PM10
42.69ppb
O3
0.55ppb
SO2
3.67ppb
NO2
0.15ppm
CO
AQI 40
Good
3.63μg/m³
PM2.5
10.23μg/m³
PM10
42.87ppb
O3
0.50ppb
SO2
3.79ppb
NO2
0.16ppm
CO
AQI 42
Good
2.16μg/m³
PM2.5
6.58μg/m³
PM10
44.72ppb
O3
0.50ppb
SO2
3.82ppb
NO2
0.15ppm
CO
AQI 38
Good
6.59μg/m³
PM2.5
13.36μg/m³
PM10
41.07ppb
O3
0.49ppb
SO2
4.05ppb
NO2
0.15ppm
CO
AQI 62
Moderate
10.93μg/m³
PM2.5
77.45μg/m³
PM10
40.50ppb
O3
0.56ppb
SO2
3.80ppb
NO2
0.15ppm
CO
The air quality data for Maryland, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.
Source: Ambee Data Sources
Air quality updates for Potomac, Maryland are available every hour.
Potomac, Maryland experienced its worst air quality at 07:00:00, 2026-03-09.
The best air quality in Potomac, Maryland was observed at 05:00:00 on 2026-03-09.
The air quality in Potomac, Maryland right now is Moderate, with an AQI of 56.
In Potomac, Maryland, PM2.5 is the most frequently found pollutant.
When air quality in Potomac, Maryland is compromised, staying indoors and wearing a mask can reduce health risks.
Potomac, Maryland currently has a PM2.5 concentration of 11.833 μg/m3.
Potomac, Maryland currently has a PM10 concentration of 52.884 μg/m3.
The current carbon monoxide (CO) level in Potomac, Maryland is 0.151 ppm.
The current sulfur dioxide (SO2) concentration in Potomac, Maryland is 0.549 ppb.
Potomac, Maryland currently has an ozone (O3) concentration of 40.827 ppm.
The current level of nitrogen dioxide (NO2) in Potomac, Maryland is 3.882 ppb.
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