Siu Sai Wan air quality
Updated 17/10, 11:00
The data may not be up to date.
Current AQI
US EPA scale · observed at 11:00
73
ModerateUnusually sensitive people should limit prolonged outdoor exertion.
Pollutants
Current concentrations, µg/m³
| Pollutant | Concentration | Description |
|---|---|---|
| PM2.5 | 18,8 µg/m³ | Fine particles ≤ 2.5 µm |
| PM10 | 25,3 µg/m³ | Particles ≤ 10 µm |
| O₃ | 141 µg/m³ | Ozone |
| NO₂ | 5,3 µg/m³ | Nitrogen dioxide |
| SO₂ | 5,2 µg/m³ | Sulphur dioxide |
| CO | 245 µg/m³ | Carbon monoxide |
AQI, next 7 hours
Show data table
| Time | AQI | Level |
|---|---|---|
| 04:00 | 63 | Moderate |
| 05:00 | 63 | Moderate |
| 06:00 | 63 | Moderate |
| 07:00 | 62 | Moderate |
| 08:00 | 62 | Moderate |
| 09:00 | 62 | Moderate |
| 10:00 | 62 | Moderate |