시안 시 air quality
Updated 10. 18. 13:01
The data may not be up to date.
Current AQI
US EPA scale · observed at 13:00
75
ModerateUnusually sensitive people should limit prolonged outdoor exertion.
Pollutants
Current concentrations, µg/m³
| Pollutant | Concentration | Description |
|---|---|---|
| PM2.5 | 21 µg/m³ | Fine particles ≤ 2.5 µm |
| PM10 | 46,4 µg/m³ | Particles ≤ 10 µm |
| O₃ | 73 µg/m³ | Ozone |
| NO₂ | 15,6 µg/m³ | Nitrogen dioxide |
| SO₂ | 6,3 µg/m³ | Sulphur dioxide |
| CO | 257 µg/m³ | Carbon monoxide |
AQI, next 11 hours
Show data table
| Time | AQI | Level |
|---|---|---|
| 02:00 | 114 | Unhealthy for sensitive groups |
| 03:00 | 119 | Unhealthy for sensitive groups |
| 04:00 | 124 | Unhealthy for sensitive groups |
| 05:00 | 128 | Unhealthy for sensitive groups |
| 06:00 | 133 | Unhealthy for sensitive groups |
| 07:00 | 136 | Unhealthy for sensitive groups |
| 08:00 | 139 | Unhealthy for sensitive groups |
| 09:00 | 142 | Unhealthy for sensitive groups |
| 10:00 | 147 | Unhealthy for sensitive groups |
| 11:00 | 150 | Unhealthy for sensitive groups |
| 12:00 | 151 | Unhealthy |