What is the air quality in South Riding today?

The current Air Quality Index (AQI) in South Riding is 23 (Good). PM2.5 concentration is 5.53 µg/m³.

What is the temperature in South Riding right now?

The current temperature in South Riding is 10.4°C (feels like 10.4°C). Humidity is 76.5% and wind speed is 32.8 km/h.

Is it safe to go outside in South Riding?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0.0 (Low).

Air Quality in South Riding, United States

Cloudy

10.4°C · 76.5% humidity

10.4°

Feels 10.4°

Good

Air quality is satisfactory. Enjoy outdoor activities.

2 stations

Nearby Monitoring Stations

AQI Forecast

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Air Quality Index Trend

46h · 25 stn

View full history →

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

76.5%

Humidity

32.8 km/h

Wind NE

1027.0 hPa

Pressure

0.0

UV Low

GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲

5.53 µg/m³

PM10

13.7 µg/m³

050100150200300500

What is the weather forecast for South Riding?

Temperature & Precipitation

PM2.5 Trend

46h · 25 stations

PM2.55.53 µg/m³ ✓ WHO

Good

PM1013.7 µg/m³

Good

UV INDEX0.0

Low

Station readings (2 stations within 25 km)

5.53

Median

5.4

Average

4.6

Low

6.2

High

PM2.5 µg/m³ · Model: 6.5 · Bias: +1.0

What is the 7-day forecast for South Riding?

10-20

16.7° 5.5°

4.13 mm

10-21

25.4° 4.8°

0.06 mm

10-22

20.6° 9.1°

10-23

15.0° 3.7°

1.06 mm

10-24

16.5° 7.8°

0.06 mm

10-25

18.9° 5.8°

0.13 mm

10-26

15.5° 11.9°

17.13 mm

Both models agree Avg diff: 3.6°C

Where are air quality stations near South Riding?

Ashburn - Broad Run High School, Northern Virginia, USA

11.6 km PM2.5: 4.6 µg/m³

Ashburn - Broad Run High School, Northern Virginia, USA

11.6 km PM2.5: 4.8 µg/m³

Ashburn - Broad Run High School, Northern Virginia, USA

11.6 km PM2.5: 4.3 µg/m³

Long Park - Haymarket, Northern Virginia, USA

13.6 km PM2.5: 4.6 µg/m³

Long Park - Haymarket, Northern Virginia, USA

13.6 km PM2.5: 4.3 µg/m³

What cities are near South Riding?

23 Chantilly 24 Oak Hill 22 Centreville 25 Sterling 26 Herndon 26 Ashburn 19 Sudley 24 Reston 19 Manassas Park 22 Oakton

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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 2026-10-20T21:47 UTC.