Stay updated with real-time air quality in 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)
58
Moderate
Falls Church, Virginia
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
13.21 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
60.50 μg/m³
0
55
155
255
425
605+
21.27 ppb
0
55
71
86
201
201+
0.24 ppb
0
36
76
186
605
1005+
8.08 ppb
0
54
101
361
1250
2050+
0.34 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Falls Church, Virginia
Falls Church, Virginia
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AQI 58
Moderate
13.36μg/m³
PM2.5
50.73μg/m³
PM10
26.65ppb
O3
0.26ppb
SO2
7.22ppb
NO2
0.33ppm
CO
AQI 58
Moderate
13.32μg/m³
PM2.5
49.27μg/m³
PM10
27.80ppb
O3
0.26ppb
SO2
6.96ppb
NO2
0.33ppm
CO
AQI 58
Moderate
13.17μg/m³
PM2.5
59.76μg/m³
PM10
25.44ppb
O3
0.24ppb
SO2
8.10ppb
NO2
0.34ppm
CO
AQI 58
Moderate
13.38μg/m³
PM2.5
39.18μg/m³
PM10
28.57ppb
O3
0.25ppb
SO2
7.57ppb
NO2
0.34ppm
CO
AQI 58
Moderate
13.31μg/m³
PM2.5
48.30μg/m³
PM10
28.00ppb
O3
0.26ppb
SO2
6.92ppb
NO2
0.33ppm
CO
AQI 58
Moderate
13.34μg/m³
PM2.5
53.37μg/m³
PM10
31.79ppb
O3
0.24ppb
SO2
5.73ppb
NO2
0.33ppm
CO
Air quality data and pollutant measurements for Virginia, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
The air quality for Falls Church, Virginia is updated every hour.
The worst air quality in Falls Church, Virginia in the last 24 hours was observed at 11:00:00 on 2026-08-12.
In the last 24 hrs, the best air quality in Falls Church, Virginia was observed at 09:00:00 on 2026-08-12.
The current air quality in Falls Church, Virginia is 58, categorized as Moderate based on real-time data.
The most common pollutant in Falls Church, Virginia is PM2.5.
If the air quality in Falls Church, Virginia is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Falls Church, Virginia is 13.209 μg/m3.
The current PM10 concentration at Falls Church, Virginia is 60.498 μg/m3.
The current carbon monoxide (CO) concentration at Falls Church, Virginia is 0.339 ppm.
The current sulfur dioxide (SO2) concentration at Falls Church, Virginia is 0.242 ppb.
The current ozone (O3) concentration at Falls Church, Virginia is 21.267 ppm.
The current nitrogen dioxide (NO2) concentration at Falls Church, Virginia is 8.082 ppb.
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