San Juan air quality
Updated 14/10, 00:00
The data may not be up to date.
Current AQI
US EPA scale · observed at 00:00
17
GoodAir quality is good; enjoy outdoor activities.
Pollutants
Current concentrations, µg/m³
| Pollutant | Concentration | Description |
|---|---|---|
| PM2.5 | 1,8 µg/m³ | Fine particles ≤ 2.5 µm |
| PM10 | 2,5 µg/m³ | Particles ≤ 10 µm |
| O₃ | 36 µg/m³ | Ozone |
| NO₂ | 1,3 µg/m³ | Nitrogen dioxide |
| SO₂ | 0,5 µg/m³ | Sulphur dioxide |
| CO | 95 µg/m³ | Carbon monoxide |
AQI, next 2 hours
Show data table
| Time | AQI | Level |
|---|---|---|
| 22:00 | 17 | Good |
| 23:00 | 17 | Good |