Stay updated with real-time air quality in Arlington, 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)
31
Good
Arlington, Virginia
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.41 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
9.19 μg/m³
0
55
155
255
425
605+
32.82 ppb
0
55
71
86
201
201+
0.47 ppb
0
36
76
186
605
1005+
8.04 ppb
0
54
101
361
1250
2050+
0.11 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Arlington, Virginia
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AQI 31
Good
2.89μg/m³
PM2.5
10.94μg/m³
PM10
33.81ppb
O3
0.52ppb
SO2
7.20ppb
NO2
0.12ppm
CO
AQI 31
Good
2.90μg/m³
PM2.5
11.09μg/m³
PM10
33.80ppb
O3
0.51ppb
SO2
7.22ppb
NO2
0.13ppm
CO
AQI 32
Good
2.91μg/m³
PM2.5
13.34μg/m³
PM10
34.65ppb
O3
0.47ppb
SO2
6.84ppb
NO2
0.13ppm
CO
AQI 31
Good
2.86μg/m³
PM2.5
10.97μg/m³
PM10
33.80ppb
O3
0.52ppb
SO2
7.35ppb
NO2
0.13ppm
CO
AQI 31
Good
2.77μg/m³
PM2.5
9.80μg/m³
PM10
33.99ppb
O3
0.54ppb
SO2
7.37ppb
NO2
0.13ppm
CO
AQI 33
Good
3.47μg/m³
PM2.5
15.41μg/m³
PM10
36.03ppb
O3
0.44ppb
SO2
6.78ppb
NO2
0.13ppm
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 Arlington, Virginia is updated every hour for accuracy.
In the past 24 hours, the air quality in Arlington, Virginia was at its worst at 06:00:00 on 2026-03-12.
In the last 24 hours, the best air quality in Arlington, Virginia was observed at 10:00:00 on 2026-03-12.
As of now, the AQI in Arlington, Virginia is 31, indicating Good conditions.
Arlington, Virginia air has the highest levels of O3.
Poor air quality in Arlington, Virginia means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Arlington, Virginia are currently 2.409 μg/m3.
The PM10 concentration in Arlington, Virginia is 9.186 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Arlington, Virginia is 0.111 ppm.
Currently, Arlington, Virginia has a sulfur dioxide (SO2) concentration of 0.47 ppb.
The current ozone (O3) level in Arlington, Virginia at the moment is 32.823 ppm.
Nitrogen dioxide (NO2) level in Arlington, Virginia at the moment is 8.037 ppb.
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