What is the air quality in Potomac today?

The current Air Quality Index (AQI) in Potomac is 38 (Good). PM2.5 concentration is 8.96 µg/m³.

What is the temperature in Potomac right now?

The current temperature in Potomac is 26.8°C (feels like 26.8°C). Humidity is 53.8% and wind speed is 18.6 km/h.

Is it safe to go outside in Potomac?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 6.9 (High).

Air Quality in Potomac, United States

Partly Cloudy

26.8°C · 53.8% humidity

26.8°

Feels 26.8°

Good

Air quality is satisfactory. Enjoy outdoor activities.

19 stations

Nearby Monitoring Stations

AQI Forecast

27 2pm

38 5pm

32 8pm

29 11pm

28 2am

25 5am

25 8am

24 11am

Air Quality Index Trend

47h · 2 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.

53.8%

Humidity

18.6 km/h

Wind E

1013.6 hPa

Pressure

6.9

UV High

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

8.96 µg/m³

PM10

27.45 µg/m³

050100150200300500

What is the weather forecast for Potomac?

Temperature & Precipitation

PM2.5 Trend

47h · 2 stations

PM2.58.96 µg/m³ ✓ WHO

Good

PM1027.45 µg/m³

Good

UV INDEX6.9

High

Station readings (19 stations within 25 km)

8.96

Median

9.03

Average

7.2

Low

11.31

High

PM2.5 µg/m³ · Model: 12.6 · Bias: +3.6

What is the 7-day forecast for Potomac?

07-21

29.9° 22.0°

0.31 mm

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

Both models agree Avg diff: 3.4°C

Where are air quality stations near Potomac?

3414 Nebraska Ave NW

14.2 km PM2.5: 8.3 µg/m³

Friendship Online

16.6 km PM2.5: 13.2 µg/m³

Center City Brightwood Campus

16.7 km PM2.5: 8.6 µg/m³

LAMB

16.8 km PM2.5: 7.8 µg/m³

Friendship Ideal

18.2 km PM2.5: 9.1 µg/m³

Latin PCS 2nd St. Campus

18.3 km PM2.5: 9.3 µg/m³

GW Milken Institute School of Public Health

18.8 km PM2.5: 9.8 µg/m³

Aslin

19.2 km PM2.5: 9.5 µg/m³

Latin PCS Cooper Campus

19.4 km PM2.5: 8.5 µg/m³

Savannah Terrace SE

20.0 km PM2.5: 7.6 µg/m³

What cities are near Potomac?

36 Great Falls 38 North Bethesda 33 North Potomac 37 Rockville 38 McLean 37 Bethesda 36 Wolf Trap 38 Tysons 31 Reston 37 Wheaton

Get AQI alerts for Potomac

Notify me when air quality reaches:

ModerateAQI > 50 Unhealthy for Sensitive GroupsAQI > 100 UnhealthyAQI > 150 Very UnhealthyAQI > 200

Free · No account · Unsubscribe any time

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-07-21T21:33 UTC.