Colombo District air quality
Updated 12/10, 12:30
Current AQI
US EPA scale · observed at 12:30
67
ModerateUnusually sensitive people should limit prolonged outdoor exertion.
Pollutants
Current concentrations, µg/m³
| Pollutant | Concentration | Description |
|---|---|---|
| PM2.5 | 25,9 µg/m³ | Fine particles ≤ 2.5 µm |
| PM10 | 26,5 µg/m³ | Particles ≤ 10 µm |
| O₃ | 182 µg/m³ | Ozone |
| NO₂ | 20,1 µg/m³ | Nitrogen dioxide |
| SO₂ | 41,1 µg/m³ | Sulphur dioxide |
| CO | 793 µg/m³ | Carbon monoxide |
AQI, next 24 hours
Show data table
| Time | AQI | Level |
|---|---|---|
| 12:30 | 67 | Moderate |
| 13:30 | 68 | Moderate |
| 14:30 | 85 | Moderate |
| 15:30 | 111 | Unhealthy for sensitive groups |
| 16:30 | 127 | Unhealthy for sensitive groups |
| 17:30 | 131 | Unhealthy for sensitive groups |
| 18:30 | 125 | Unhealthy for sensitive groups |
| 19:30 | 108 | Unhealthy for sensitive groups |
| 20:30 | 85 | Moderate |
| 21:30 | 73 | Moderate |
| 22:30 | 73 | Moderate |
| 23:30 | 73 | Moderate |
| 00:30 | 74 | Moderate |
| 01:30 | 75 | Moderate |
| 02:30 | 75 | Moderate |
| 03:30 | 76 | Moderate |
| 04:30 | 77 | Moderate |
| 05:30 | 77 | Moderate |
| 06:30 | 78 | Moderate |
| 07:30 | 78 | Moderate |
| 08:30 | 79 | Moderate |
| 09:30 | 79 | Moderate |
| 10:30 | 79 | Moderate |
| 11:30 | 79 | Moderate |