What is the air quality in McLean today?

The current Air Quality Index (AQI) in McLean is 37 (Good). PM2.5 concentration is 8.82 µg/m³.

What is the temperature in McLean right now?

The current temperature in McLean 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 McLean?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 2.9 (Moderate).

Air Quality in McLean, United States

Partly Cloudy

26.8°C · 53.8% humidity

26.8°

Feels 26.8°

Good

Air quality is satisfactory. Enjoy outdoor activities.

28 stations

Nearby Monitoring Stations

AQI Forecast

27 3pm

37 6pm

38 9pm

28 12am

25 3am

25 6am

25 9am

24 12pm

Air Quality Index Trend

47h · 3 stn

View full history →

McLean'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

2.9

UV Moderate

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

8.82 µg/m³

PM10

27.45 µg/m³

050100150200300500

What is the weather forecast for McLean?

Temperature & Precipitation

PM2.5 Trend

47h · 3 stations

PM2.58.82 µg/m³ ✓ WHO

Good

PM1027.45 µg/m³

Good

UV INDEX2.9

Moderate

Station readings (28 stations within 25 km)

8.82

Median

8.96

Average

5.95

Low

16.4

High

PM2.5 µg/m³ · Model: 12.85 · Bias: +4.0

What is the 7-day forecast for McLean?

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: 3.3°C

Where are air quality stations near McLean?

3414 Nebraska Ave NW

8.1 km PM2.5: 8.4 µg/m³

GW Milken Institute School of Public Health

11.5 km PM2.5: 9.7 µg/m³

LAMB

12.6 km PM2.5: 7.8 µg/m³

Aslin

12.8 km PM2.5: 9.3 µg/m³

Friendship Online

13.0 km PM2.5: 13.2 µg/m³

Center City Brightwood Campus

13.3 km PM2.5: 8.8 µg/m³

Aurora Hills Visitor Center, Northern Virginia, USA

13.3 km PM2.5: 7.2 µg/m³

Center City Shaw Campus

13.7 km PM2.5: 9.7 µg/m³

901 G St NW

13.8 km PM2.5: 12.9 µg/m³

Savannah Terrace SE

14.3 km PM2.5: 7.2 µg/m³

What cities are near McLean?

37 Tysons 36 Idylwood 35 West Falls Church 36 Merrifield 36 Vienna 37 Bethesda 36 Arlington 37 Wolf Trap 39 Potomac 35 Baileys Crossroads

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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 2026-07-21T22:03 UTC.