Arlington County air quality
Updated 05/10, 01:38
The data may not be up to date.
Current AQI
US EPA scale · observed at 01:00
52
ModerateUnusually sensitive people should limit prolonged outdoor exertion.
Pollutants
Current concentrations, µg/m³
| Pollutant | Concentration | Description |
|---|---|---|
| PM2.5 | 21 µg/m³ | Fine particles ≤ 2.5 µm |
| PM10 | 22,2 µg/m³ | Particles ≤ 10 µm |
| O₃ | 3 µg/m³ | Ozone |
| NO₂ | 45,3 µg/m³ | Nitrogen dioxide |
| SO₂ | 4 µg/m³ | Sulphur dioxide |
| CO | 346 µg/m³ | Carbon monoxide |