Xi'an air quality
Updated 12/10, 18:01
The data may not be up to date.
Current AQI
US EPA scale · observed at 18:00
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 | 39,3 µg/m³ | Fine particles ≤ 2.5 µm |
| PM10 | 41,1 µg/m³ | Particles ≤ 10 µm |
| O₃ | 54 µg/m³ | Ozone |
| NO₂ | 43,5 µg/m³ | Nitrogen dioxide |
| SO₂ | 11,7 µg/m³ | Sulphur dioxide |
| CO | 654 µg/m³ | Carbon monoxide |
AQI, next 21 hours
Show data table
| Time | AQI | Level |
|---|---|---|
| 21:00 | 147 | Unhealthy for sensitive groups |
| 22:00 | 150 | Unhealthy for sensitive groups |
| 23:00 | 151 | Unhealthy |
| 00:00 | 151 | Unhealthy |
| 01:00 | 151 | Unhealthy |
| 02:00 | 151 | Unhealthy |
| 03:00 | 150 | Unhealthy for sensitive groups |
| 04:00 | 147 | Unhealthy for sensitive groups |
| 05:00 | 143 | Unhealthy for sensitive groups |
| 06:00 | 139 | Unhealthy for sensitive groups |
| 07:00 | 135 | Unhealthy for sensitive groups |
| 08:00 | 131 | Unhealthy for sensitive groups |
| 09:00 | 132 | Unhealthy for sensitive groups |
| 10:00 | 133 | Unhealthy for sensitive groups |
| 11:00 | 132 | Unhealthy for sensitive groups |
| 12:00 | 131 | Unhealthy for sensitive groups |
| 13:00 | 132 | Unhealthy for sensitive groups |
| 14:00 | 133 | Unhealthy for sensitive groups |
| 15:00 | 134 | Unhealthy for sensitive groups |
| 16:00 | 135 | Unhealthy for sensitive groups |
| 17:00 | 136 | Unhealthy for sensitive groups |