To Kwa Wan air quality
Updated 10. 21. 11:00
The data may not be up to date.
Current AQI
US EPA scale · observed at 11:00
147
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 | 45,6 µg/m³ | Fine particles ≤ 2.5 µm |
| PM10 | 45,8 µg/m³ | Particles ≤ 10 µm |
| O₃ | 138 µg/m³ | Ozone |
| NO₂ | 56,8 µg/m³ | Nitrogen dioxide |
| SO₂ | 41,3 µg/m³ | Sulphur dioxide |
| CO | 539 µg/m³ | Carbon monoxide |
AQI, next 15 hours
Show data table
| Time | AQI | Level |
|---|---|---|
| 20:00 | 153 | Unhealthy |
| 21:00 | 153 | Unhealthy |
| 22:00 | 152 | Unhealthy |
| 23:00 | 151 | Unhealthy |
| 00:00 | 147 | Unhealthy for sensitive groups |
| 01:00 | 141 | Unhealthy for sensitive groups |
| 02:00 | 133 | Unhealthy for sensitive groups |
| 03:00 | 125 | Unhealthy for sensitive groups |
| 04:00 | 117 | Unhealthy for sensitive groups |
| 05:00 | 109 | Unhealthy for sensitive groups |
| 06:00 | 101 | Unhealthy for sensitive groups |
| 07:00 | 96 | Moderate |
| 08:00 | 90 | Moderate |
| 09:00 | 86 | Moderate |
| 10:00 | 83 | Moderate |