Air Quality in Merrifield, United States

Windy
10.9°C · 38.7% humidity
10.9°
Feels 10.9°
28
Good
Air quality is satisfactory. Enjoy outdoor activities.
Calibrated model

Nearby Monitoring Stations

AQI Forecast Calibrated
27 10pm
26
26
26 1am
26
39
39 4am
39
39
39 7am
39
39
64 10am
64
64
64 1pm
64
64
39 4pm
39
39
39 7pm
39
39
Station readings
27
26
26
CAMS model adj -11
37
37
37
37
37
50
50
50
50
50
50
50
75
75
75
75
75
75
50
50
50
50
50
50
AD 728×90

PM2.5 Trend (24h)

23h · 1 station
38.7%
Humidity
43.2 km/h
Wind SSE
1030.7 hPa
Pressure
1.4
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous

What is the weather forecast for Merrifield?

Temperature & Precipitation

PM2.56.64 µg/m³ ✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX1.4
Low
AD 300×250

What is the 7-day forecast for Merrifield?

04-10
19.2° 6.6°
04-11
22.2° 10.7°
04-12
22.6° 13.0°
04-13
27.6° 14.1°
04-14
29.3° 17.7°
04-15
25.0° 19.8°
04-16
17.8° 10.7°
2.81 mm
Both models agree Avg diff: 3.4°C

Where are air quality stations near Merrifield?

103
Aurora Hills Visitor Center, Northern Virginia, USA
14.6 km
52
Aurora Hills Visitor Center, Northern Virginia, USA
14.6 km
60
Lee District Park - Fairfax County, Northern Virginia, USA
15.4 km
103
Lee District Park - Fairfax County, Northern Virginia, USA
15.4 km
36
Lee District Park - Fairfax County, Northern Virginia, USA
15.4 km
66
Ashburn - Broad Run High School, Northern Virginia, USA
28.2 km
26
Ashburn - Broad Run High School, Northern Virginia, USA
28.2 km

What cities are near Merrifield?

28 Idylwood 28 West Falls Church 28 Vienna 28 Tysons 28 Annandale 28 Oakton 28 Fairfax 28 McLean 28 Baileys Crossroads 28 Wolf Trap

Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-10T01:58 UTC.