Air Quality in Merrifield, United States

Drizzle
25.9°C · 54.3% humidity
25.9°
Feels 25.9°
26
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast

Nearby Monitoring Stations

AQI Forecast
27 8pm
27
27
26 11pm
25
25
25 2am
25
25
25 5am
25
27
27 8am
27
27
27 11am
25
25
25 2pm
25
25
25 5pm
27
34
AD 728×90

Air Quality Index Trend

45h · 31 stn

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

54.3%
Humidity
5.6 km/h
Wind NW
1012.2 hPa
Pressure
2.2
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous

Which pollutant is driving the AQI?

PM2.5▲
26
6.25 µg/m³
PM10
13
13.7 µg/m³
050100150200300500

What is the weather forecast for Merrifield?

Temperature & Precipitation

PM2.5 Trend

45h · 31 stations
PM2.56.25 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX2.2
Moderate
AD 300×250

What is the 7-day forecast for Merrifield?

08-03
25.9° 19.9°
5.0 mm
08-04
37.7° 22.6°
08-05
34.6° 19.7°
0.69 mm
08-06
31.1° 22.4°
08-07
34.2° 21.1°
2.19 mm
08-08
37.3° 21.9°
0.69 mm
08-09
35.9° 23.2°
0.56 mm
Both models agree Avg diff: 3.0°C

Where are air quality stations near Merrifield?

30
3414 Nebraska Ave NW
14.1 km PM2.5: 7.2 µg/m³
16
Aurora Hills Visitor Center, Northern Virginia, USA
14.6 km PM2.5: 3.8 µg/m³
22
Aurora Hills Visitor Center, Northern Virginia, USA
14.6 km PM2.5: 5.3 µg/m³
16
Lee District Park - Fairfax County, Northern Virginia, USA
15.4 km PM2.5: 3.8 µg/m³
34
GW Milken Institute School of Public Health
15.5 km PM2.5: 8.1 µg/m³
33
Aslin
17.4 km PM2.5: 7.9 µg/m³
41
Center City Shaw Campus
18.1 km PM2.5: 9.9 µg/m³
34
400 Virginia Ave SW
18.1 km PM2.5: 8.1 µg/m³
28
LAMB
18.8 km PM2.5: 6.8 µg/m³
26
Savannah Terrace SE
19.2 km PM2.5: 6.2 µg/m³

What cities are near Merrifield?

26 Idylwood 26 West Falls Church 26 Vienna 37 Tysons 26 Annandale 25 Oakton 25 Fairfax 37 McLean 26 Baileys Crossroads 37 Wolf Trap
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-08-08T03:00 UTC.