Ha Tsuen air quality
Updated 13/10, 11:01
The data may not be up to date.
Current AQI
US EPA scale · observed at 11:00
105
Unhealthy for sensitive groupsChildren, older adults and people with heart or lung disease should reduce outdoor activity.
Pollutants
Current concentrations, µg/m³
| Pollutant | Concentration | Description |
|---|---|---|
| PM2.5 | 40,3 µg/m³ | Fine particles ≤ 2.5 µm |
| PM10 | 43,2 µg/m³ | Particles ≤ 10 µm |
| O₃ | 116 µg/m³ | Ozone |
| NO₂ | 67,7 µg/m³ | Nitrogen dioxide |
| SO₂ | 86,2 µg/m³ | Sulphur dioxide |
| CO | 664 µg/m³ | Carbon monoxide |