시안 시 air quality
Updated 10. 19. 13:00
The data may not be up to date.
Current AQI
US EPA scale · observed at 13:00
157
UnhealthyEveryone should reduce outdoor activity; sensitive groups should stay indoors.
Pollutants
Current concentrations, µg/m³
| Pollutant | Concentration | Description |
|---|---|---|
| PM2.5 | 60,5 µg/m³ | Fine particles ≤ 2.5 µm |
| PM10 | 83,6 µg/m³ | Particles ≤ 10 µm |
| O₃ | 39 µg/m³ | Ozone |
| NO₂ | 52,6 µg/m³ | Nitrogen dioxide |
| SO₂ | 22,8 µg/m³ | Sulphur dioxide |
| CO | 785 µg/m³ | Carbon monoxide |
AQI, next 12 hours
Show data table
| Time | AQI | Level |
|---|---|---|
| 01:00 | 166 | Unhealthy |
| 02:00 | 166 | Unhealthy |
| 03:00 | 166 | Unhealthy |
| 04:00 | 166 | Unhealthy |
| 05:00 | 165 | Unhealthy |
| 06:00 | 165 | Unhealthy |
| 07:00 | 164 | Unhealthy |
| 08:00 | 163 | Unhealthy |
| 09:00 | 162 | Unhealthy |
| 10:00 | 162 | Unhealthy |
| 11:00 | 160 | Unhealthy |
| 12:00 | 159 | Unhealthy |