Colombo air quality
Updated 30/09, 09:11
The data may not be up to date.
Current AQI
US EPA scale · observed at 09:00
55
ModerateUnusually sensitive people should limit prolonged outdoor exertion.
Pollutants
Current concentrations, µg/m³
| Pollutant | Concentration | Description |
|---|---|---|
| PM2.5 | 10,7 µg/m³ | Fine particles ≤ 2.5 µm |
| PM10 | 10,9 µg/m³ | Particles ≤ 10 µm |
| O₃ | 81 µg/m³ | Ozone |
| NO₂ | 5,9 µg/m³ | Nitrogen dioxide |
| SO₂ | 2,9 µg/m³ | Sulphur dioxide |
| CO | 223 µg/m³ | Carbon monoxide |