Hengyang Shi air quality
Updated 30/09, 20:36
The data may not be up to date.
Current AQI
US EPA scale · observed at 20:00
154
UnhealthyEveryone should reduce outdoor activity; sensitive groups should stay indoors.
Pollutants
Current concentrations, µg/m³
| Pollutant | Concentration | Description |
|---|---|---|
| PM2.5 | 22,5 µg/m³ | Fine particles ≤ 2.5 µm |
| PM10 | 22,7 µg/m³ | Particles ≤ 10 µm |
| O₃ | 129 µg/m³ | Ozone |
| NO₂ | 12,4 µg/m³ | Nitrogen dioxide |
| SO₂ | 7,3 µg/m³ | Sulphur dioxide |
| CO | 439 µg/m³ | Carbon monoxide |