Xi'an air quality
Updated 12/10, 17:01
Current AQI
US EPA scale · observed at 17:00
153
UnhealthyEveryone should reduce outdoor activity; sensitive groups should stay indoors.
Pollutants
Current concentrations, µg/m³
| Pollutant | Concentration | Description |
|---|---|---|
| PM2.5 | 13,9 µg/m³ | Fine particles ≤ 2.5 µm |
| PM10 | 16,4 µg/m³ | Particles ≤ 10 µm |
| O₃ | 94 µg/m³ | Ozone |
| NO₂ | 16,8 µg/m³ | Nitrogen dioxide |
| SO₂ | 4,2 µg/m³ | Sulphur dioxide |
| CO | 446 µg/m³ | Carbon monoxide |
AQI, next 24 hours
Show data table
| Time | AQI | Level |
|---|---|---|
| 17:00 | 153 | Unhealthy |
| 18:00 | 152 | Unhealthy |
| 19:00 | 151 | Unhealthy |
| 20:00 | 151 | Unhealthy |
| 21:00 | 151 | Unhealthy |
| 22:00 | 152 | Unhealthy |
| 23:00 | 153 | Unhealthy |
| 00:00 | 154 | Unhealthy |
| 01:00 | 154 | Unhealthy |
| 02:00 | 153 | Unhealthy |
| 03:00 | 153 | Unhealthy |
| 04:00 | 152 | Unhealthy |
| 05:00 | 151 | Unhealthy |
| 06:00 | 149 | Unhealthy for sensitive groups |
| 07:00 | 145 | Unhealthy for sensitive groups |
| 08:00 | 142 | Unhealthy for sensitive groups |
| 09:00 | 140 | Unhealthy for sensitive groups |
| 10:00 | 139 | Unhealthy for sensitive groups |
| 11:00 | 137 | Unhealthy for sensitive groups |
| 12:00 | 136 | Unhealthy for sensitive groups |
| 13:00 | 136 | Unhealthy for sensitive groups |
| 14:00 | 136 | Unhealthy for sensitive groups |
| 15:00 | 138 | Unhealthy for sensitive groups |
| 16:00 | 139 | Unhealthy for sensitive groups |