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)
27
Good
West Falls Church, Virginia
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.20 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
17.56 μg/m³
0
55
155
255
425
605+
9.96 ppb
0
55
71
86
201
201+
0.31 ppb
0
36
76
186
605
1005+
8.26 ppb
0
54
101
361
1250
2050+
0.28 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
West Falls Church, Virginia
West Falls Church, Virginia
Scroll To Air Quality MapLoading...
AQI 27
Good
5.07μg/m³
PM2.5
18.54μg/m³
PM10
12.65ppb
O3
0.31ppb
SO2
7.96ppb
NO2
0.28ppm
CO
AQI 27
Good
5.11μg/m³
PM2.5
16.16μg/m³
PM10
10.21ppb
O3
0.31ppb
SO2
8.17ppb
NO2
0.29ppm
CO
AQI 33
Good
5.87μg/m³
PM2.5
25.53μg/m³
PM10
10.05ppb
O3
0.32ppb
SO2
8.33ppb
NO2
0.28ppm
CO
AQI 27
Good
5.39μg/m³
PM2.5
19.62μg/m³
PM10
9.47ppb
O3
0.31ppb
SO2
8.28ppb
NO2
0.28ppm
CO
AQI 27
Good
5.07μg/m³
PM2.5
13.09μg/m³
PM10
9.01ppb
O3
0.31ppb
SO2
7.96ppb
NO2
0.28ppm
CO
AQI 27
Good
5.10μg/m³
PM2.5
15.71μg/m³
PM10
10.22ppb
O3
0.31ppb
SO2
8.13ppb
NO2
0.29ppm
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 07:00:00 on 2026-09-07.
In the last 24 hours, the best air quality in West Falls Church, Virginia was observed at 01:00:00 on 2026-09-06.
As of now, the AQI in West Falls Church, Virginia is 27, indicating Good conditions.
West Falls Church, Virginia air has the highest levels of PM2.5.
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 5.203 μg/m3.
The PM10 concentration in West Falls Church, Virginia is 17.562 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in West Falls Church, Virginia is 0.284 ppm.
Currently, West Falls Church, Virginia has a sulfur dioxide (SO2) concentration of 0.307 ppb.
The current ozone (O3) level in West Falls Church, Virginia at the moment is 9.957 ppm.
Nitrogen dioxide (NO2) level in West Falls Church, Virginia at the moment is 8.257 ppb.
All Rights Reserved © Ambee Inc. 2025