Changsha air quality
Updated 13/10, 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 | 43,5 µg/m³ | Fine particles ≤ 2.5 µm |
| PM10 | 44,4 µg/m³ | Particles ≤ 10 µm |
| O₃ | 142 µg/m³ | Ozone |
| NO₂ | 6,7 µg/m³ | Nitrogen dioxide |
| SO₂ | 9,7 µg/m³ | Sulphur dioxide |
| CO | 795 µg/m³ | Carbon monoxide |
AQI, next 22 hours
Show data table
| Time | AQI | Level |
|---|---|---|
| 13:00 | 150 | Unhealthy for sensitive groups |
| 14:00 | 151 | Unhealthy |
| 15:00 | 152 | Unhealthy |
| 16:00 | 152 | Unhealthy |
| 17:00 | 152 | Unhealthy |
| 18:00 | 152 | Unhealthy |
| 19:00 | 152 | Unhealthy |
| 20:00 | 150 | Unhealthy for sensitive groups |
| 21:00 | 145 | Unhealthy for sensitive groups |
| 22:00 | 137 | Unhealthy for sensitive groups |
| 23:00 | 128 | Unhealthy for sensitive groups |
| 00:00 | 120 | Unhealthy for sensitive groups |
| 01:00 | 112 | Unhealthy for sensitive groups |
| 02:00 | 105 | Unhealthy for sensitive groups |
| 03:00 | 101 | Unhealthy for sensitive groups |
| 04:00 | 100 | Moderate |
| 05:00 | 100 | Moderate |
| 06:00 | 101 | Unhealthy for sensitive groups |
| 07:00 | 101 | Unhealthy for sensitive groups |
| 08:00 | 103 | Unhealthy for sensitive groups |
| 09:00 | 104 | Unhealthy for sensitive groups |
| 10:00 | 106 | Unhealthy for sensitive groups |