San Diego County air quality
Updated 20/10, 22:01
The data may not be up to date.
Current AQI
US EPA scale · observed at 22:00
71
ModerateUnusually sensitive people should limit prolonged outdoor exertion.
Pollutants
Current concentrations, µg/m³
| Pollutant | Concentration | Description |
|---|---|---|
| PM2.5 | 15,2 µg/m³ | Fine particles ≤ 2.5 µm |
| PM10 | 19,8 µg/m³ | Particles ≤ 10 µm |
| O₃ | 11 µg/m³ | Ozone |
| NO₂ | 53,1 µg/m³ | Nitrogen dioxide |
| SO₂ | 1,8 µg/m³ | Sulphur dioxide |
| CO | 123 µg/m³ | Carbon monoxide |