Changsha air quality
Updated 12/10, 16:00
The data may not be up to date.
Current AQI
US EPA scale · observed at 16:00
149
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 | 25 µg/m³ | Fine particles ≤ 2.5 µm |
| PM10 | 25,4 µg/m³ | Particles ≤ 10 µm |
| O₃ | 207 µg/m³ | Ozone |
| NO₂ | 12,6 µg/m³ | Nitrogen dioxide |
| SO₂ | 9,2 µg/m³ | Sulphur dioxide |
| CO | 392 µg/m³ | Carbon monoxide |
AQI, next 23 hours
Show data table
| Time | AQI | Level |
|---|---|---|
| 17:00 | 168 | Unhealthy |
| 18:00 | 185 | Unhealthy |
| 19:00 | 187 | Unhealthy |
| 20:00 | 175 | Unhealthy |
| 21:00 | 152 | Unhealthy |
| 22:00 | 152 | Unhealthy |
| 23:00 | 154 | Unhealthy |
| 00:00 | 155 | Unhealthy |
| 01:00 | 156 | Unhealthy |
| 02:00 | 156 | Unhealthy |
| 03:00 | 157 | Unhealthy |
| 04:00 | 157 | Unhealthy |
| 05:00 | 156 | Unhealthy |
| 06:00 | 155 | Unhealthy |
| 07:00 | 155 | Unhealthy |
| 08:00 | 154 | Unhealthy |
| 09:00 | 153 | Unhealthy |
| 10:00 | 153 | Unhealthy |
| 11:00 | 153 | Unhealthy |
| 12:00 | 153 | Unhealthy |
| 13:00 | 153 | Unhealthy |
| 14:00 | 154 | Unhealthy |
| 15:00 | 154 | Unhealthy |