Air Quality in Potomac, United States

Drizzle
25.9°C · 54.3% humidity
25.9°
Feels 25.9°
37
Good
Air quality is satisfactory. Enjoy outdoor activities.
1 station

Nearby Monitoring Stations

AQI Forecast
25 7pm
25
25
37 10pm
34
31
29 1am
28
27
27 4am
26
28
28 7am
27
27
34 10am
27
25
25 1pm
25
25
25 4pm
27
27
AD 728×90

Air Quality Index Trend

45h · 29 stn

Potomac's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.

54.3%
Humidity
5.6 km/h
Wind NW
1012.2 hPa
Pressure
2.2
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
37
8.9 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Potomac?

Temperature & Precipitation

PM2.5 Trend

45h · 29 stations
PM2.58.9 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX2.2
Moderate
AD 300×250
Station readings (1 station within 25 km)
8.9
Median
8.9
Average
8.9
Low
8.9
High
PM2.5 µg/m³ · Model: 6.25 · Bias: -2.7

What is the 7-day forecast for Potomac?

08-03
25.9° 19.9°
5.0 mm
08-04
37.7° 22.6°
08-05
34.6° 19.7°
0.69 mm
08-06
31.1° 22.4°
08-07
34.2° 21.1°
2.19 mm
08-08
37.3° 21.9°
0.69 mm
08-09
35.9° 23.2°
0.56 mm
Both models agree Avg diff: 3.1°C

Where are air quality stations near Potomac?

20
Rockville, Maryland, USA
13.8 km PM2.5: 4.8 µg/m³
31
3414 Nebraska Ave NW
14.2 km PM2.5: 7.5 µg/m³
32
Center City Brightwood Campus
16.7 km PM2.5: 7.7 µg/m³
30
LAMB
16.8 km PM2.5: 7.1 µg/m³
37
Friendship Ideal
18.2 km PM2.5: 8.9 µg/m³
37
GW Milken Institute School of Public Health
18.8 km PM2.5: 8.9 µg/m³
37
Aslin
19.2 km PM2.5: 8.8 µg/m³
28
Savannah Terrace SE
20.0 km PM2.5: 6.7 µg/m³
42
Center City Shaw Campus
20.3 km PM2.5: 10.2 µg/m³
35
Lee Montessori Brookland
20.7 km PM2.5: 8.3 µg/m³

What cities are near Potomac?

37 Great Falls 38 North Bethesda 37 North Potomac 37 Rockville 37 McLean 38 Bethesda 37 Wolf Trap 37 Tysons 25 Reston 38 Wheaton
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-08-08T02:05 UTC.