What is the air quality in Reston today?

The current Air Quality Index (AQI) in Reston is 20 (Good). PM2.5 concentration is 4.78 µg/m³.

What is the temperature in Reston right now?

The current temperature in Reston 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 Reston?

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

Air Quality in Reston, United States

Partly Cloudy

26.8°C · 53.8% humidity

26.8°

Feels 26.8°

Good

Air quality is satisfactory. Enjoy outdoor activities.

2 stations

Nearby Monitoring Stations

AQI Forecast

27 6pm

20 9pm

22 12am

23 3am

24 6am

25 9am

24 12pm

25 3pm

Air Quality Index Trend

48h · 3 stn

View full history →

Reston'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

0.7

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

4.78 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for Reston?

Temperature & Precipitation

PM2.5 Trend

48h · 3 stations

PM2.54.78 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.7

Low

Station readings (2 stations within 25 km)

4.78

Median

5.13

Average

4.3

Low

5.97

High

PM2.5 µg/m³ · Model: 7.1 · Bias: +2.3

What is the 7-day forecast for Reston?

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 Reston?

Ashburn - Broad Run High School, Northern Virginia, USA

14.2 km PM2.5: 7.2 µg/m³

3414 Nebraska Ave NW

22.6 km PM2.5: 6.0 µg/m³

Aurora Hills Visitor Center, Northern Virginia, USA

27.3 km PM2.5: 8.4 µg/m³

Lee District Park - Fairfax County, Northern Virginia, USA

29.8 km PM2.5: 4.6 µg/m³

What cities are near Reston?

18 Herndon 30 Great Falls 28 Wolf Trap 21 Oak Hill 18 Sterling 27 Vienna 27 Oakton 27 Tysons 23 Chantilly 29 Potomac

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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 2026-07-22T01:43 UTC.