Colombo District air quality
Updated 17/10, 08:31
The data may not be up to date.
Current AQI
US EPA scale · observed at 08:30
47
GoodAir quality is good; enjoy outdoor activities.
Pollutants
Current concentrations, µg/m³
| Pollutant | Concentration | Description |
|---|---|---|
| PM2.5 | 9,1 µg/m³ | Fine particles ≤ 2.5 µm |
| PM10 | 10,3 µg/m³ | Particles ≤ 10 µm |
| O₃ | 57 µg/m³ | Ozone |
| NO₂ | 12,2 µg/m³ | Nitrogen dioxide |
| SO₂ | 7,2 µg/m³ | Sulphur dioxide |
| CO | 1.389 µg/m³ | Carbon monoxide |
AQI, next 12 hours
Show data table
| Time | AQI | Level |
|---|---|---|
| 20:30 | 51 | Moderate |
| 21:30 | 52 | Moderate |
| 22:30 | 52 | Moderate |
| 23:30 | 53 | Moderate |
| 00:30 | 53 | Moderate |
| 01:30 | 52 | Moderate |
| 02:30 | 52 | Moderate |
| 03:30 | 52 | Moderate |
| 04:30 | 51 | Moderate |
| 05:30 | 51 | Moderate |
| 06:30 | 51 | Moderate |
| 07:30 | 51 | Moderate |