Yilan County air quality
Updated 14/10, 08:01
The data may not be up to date.
Current AQI
US EPA scale · observed at 08:00
124
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 | 19,9 µg/m³ | Fine particles ≤ 2.5 µm |
| PM10 | 26,9 µg/m³ | Particles ≤ 10 µm |
| O₃ | 101 µg/m³ | Ozone |
| NO₂ | 10,1 µg/m³ | Nitrogen dioxide |
| SO₂ | 9,8 µg/m³ | Sulphur dioxide |
| CO | 308 µg/m³ | Carbon monoxide |