Stay updated with real-time air quality in West Falls Church, Virginia featuring accurate data on AQI, PM2.5, PM10, O3, NO2, SO2, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.
Live AQI (Air Quality Index)
51
Moderate
West Falls Church, Virginia
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.42 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
13.20 μg/m³
0
55
155
255
425
605+
55.22 ppb
0
55
71
86
201
201+
0.38 ppb
0
36
76
186
605
1005+
3.48 ppb
0
54
101
361
1250
2050+
0.18 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
West Falls Church, Virginia
West Falls Church, Virginia
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AQI 51
Moderate
5.22μg/m³
PM2.5
20.78μg/m³
PM10
54.70ppb
O3
0.36ppb
SO2
3.32ppb
NO2
0.18ppm
CO
AQI 51
Moderate
3.35μg/m³
PM2.5
12.63μg/m³
PM10
55.29ppb
O3
0.38ppb
SO2
3.50ppb
NO2
0.19ppm
CO
AQI 51
Moderate
5.22μg/m³
PM2.5
20.48μg/m³
PM10
54.56ppb
O3
0.36ppb
SO2
3.32ppb
NO2
0.17ppm
CO
AQI 51
Moderate
3.51μg/m³
PM2.5
13.95μg/m³
PM10
55.02ppb
O3
0.38ppb
SO2
3.44ppb
NO2
0.18ppm
CO
AQI 49
Good
5.26μg/m³
PM2.5
19.21μg/m³
PM10
52.81ppb
O3
0.35ppb
SO2
3.30ppb
NO2
0.17ppm
CO
AQI 51
Moderate
3.34μg/m³
PM2.5
12.43μg/m³
PM10
55.36ppb
O3
0.38ppb
SO2
3.50ppb
NO2
0.19ppm
CO
Air quality and pollutant data for Virginia, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for West Falls Church, Virginia is updated every hour for accuracy.
In the past 24 hours, the air quality in West Falls Church, Virginia was at its worst at 10:00:00 on 2026-07-22.
In the last 24 hours, the best air quality in West Falls Church, Virginia was observed at 03:00:00 on 2026-07-23.
As of now, the AQI in West Falls Church, Virginia is 51, indicating Moderate conditions.
West Falls Church, Virginia air has the highest levels of O3.
Poor air quality in West Falls Church, Virginia means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in West Falls Church, Virginia are currently 3.417 μg/m3.
The PM10 concentration in West Falls Church, Virginia is 13.201 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in West Falls Church, Virginia is 0.184 ppm.
Currently, West Falls Church, Virginia has a sulfur dioxide (SO2) concentration of 0.375 ppb.
The current ozone (O3) level in West Falls Church, Virginia at the moment is 55.223 ppm.
Nitrogen dioxide (NO2) level in West Falls Church, Virginia at the moment is 3.483 ppb.
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