What is the air quality in Potomac today?

The current Air Quality Index (AQI) in Potomac is 22 (Good). PM2.5 concentration is 5.32 µg/m³.

What is the temperature in Potomac right now?

The current temperature in Potomac is 22.1°C (feels like 22.1°C). Humidity is 70.4% and wind speed is 20.3 km/h.

Is it safe to go outside in Potomac?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.7 (Low).

Air Quality in Potomac, United States

Cloudy

22.1°C · 70.4% humidity

22.1°

Feels 22.1°

Good

Air quality is satisfactory. Enjoy outdoor activities.

19 stations

Nearby Monitoring Stations

AQI Forecast

27 8pm

22 11pm

25 2am

24 5am

25 8am

24 11am

25 2pm

27 5pm

Air Quality Index Trend

46h · 29 stn

View full history →

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.

70.4%

Humidity

20.3 km/h

Wind SSE

1015.3 hPa

Pressure

0.7

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

5.32 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Potomac?

Temperature & Precipitation

PM2.5 Trend

46h · 29 stations

PM2.55.32 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.7

Low

Station readings (19 stations within 25 km)

5.32

Median

5.4

Average

4.29

Low

7.5

High

PM2.5 µg/m³ · Model: 6.25 · Bias: +0.9

What is the 7-day forecast for Potomac?

07-22

29.7° 22.1°

07-23

29.0° 18.4°

3.56 mm

07-24

25.7° 18.9°

0.31 mm

07-25

23.8° 21.2°

5.56 mm

07-26

28.1° 20.1°

5.94 mm

07-27

25.9° 22.6°

0.13 mm

07-28

36.0° 22.1°

4.75 mm

Both models agree Avg diff: 3.4°C

Where are air quality stations near Potomac?

3414 Nebraska Ave NW

14.2 km PM2.5: 4.3 µg/m³

Friendship Online

16.6 km PM2.5: 13.2 µg/m³

Center City Brightwood Campus

16.7 km PM2.5: 5.3 µg/m³

LAMB

16.8 km PM2.5: 4.6 µg/m³

Friendship Ideal

18.2 km PM2.5: 5.8 µg/m³

Latin PCS 2nd St. Campus

18.3 km PM2.5: 5.2 µg/m³

GW Milken Institute School of Public Health

18.8 km PM2.5: 5.3 µg/m³

Aslin

19.2 km PM2.5: 7.5 µg/m³

Latin PCS Cooper Campus

19.4 km PM2.5: 4.6 µg/m³

Savannah Terrace SE

20.0 km PM2.5: 4.3 µg/m³

What cities are near Potomac?

23 Great Falls 22 North Bethesda 21 North Potomac 22 Rockville 22 McLean 22 Bethesda 22 Wolf Trap 22 Tysons 23 Reston 22 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 2026-07-22T03:13 UTC.