西安市 air quality
Updated 10/20 10:01
Current AQI
US EPA scale · observed at 10:00
160
UnhealthyEveryone should reduce outdoor activity; sensitive groups should stay indoors.
Pollutants
Current concentrations, µg/m³
| Pollutant | Concentration | Description |
|---|---|---|
| PM2.5 | 28 µg/m³ | Fine particles ≤ 2.5 µm |
| PM10 | 33,6 µg/m³ | Particles ≤ 10 µm |
| O₃ | 37 µg/m³ | Ozone |
| NO₂ | 26,9 µg/m³ | Nitrogen dioxide |
| SO₂ | 10,5 µg/m³ | Sulphur dioxide |
| CO | 860 µg/m³ | Carbon monoxide |
AQI, next 24 hours
Show data table
| Time | AQI | Level |
|---|---|---|
| 10:00 | 160 | Unhealthy |
| 11:00 | 160 | Unhealthy |
| 12:00 | 159 | Unhealthy |
| 13:00 | 158 | Unhealthy |
| 14:00 | 158 | Unhealthy |
| 15:00 | 157 | Unhealthy |
| 16:00 | 156 | Unhealthy |
| 17:00 | 155 | Unhealthy |
| 18:00 | 154 | Unhealthy |
| 19:00 | 154 | Unhealthy |
| 20:00 | 154 | Unhealthy |
| 21:00 | 154 | Unhealthy |
| 22:00 | 152 | Unhealthy |
| 23:00 | 149 | Unhealthy for sensitive groups |
| 00:00 | 139 | Unhealthy for sensitive groups |
| 01:00 | 129 | Unhealthy for sensitive groups |
| 02:00 | 121 | Unhealthy for sensitive groups |
| 03:00 | 114 | Unhealthy for sensitive groups |
| 04:00 | 109 | Unhealthy for sensitive groups |
| 05:00 | 105 | Unhealthy for sensitive groups |
| 06:00 | 101 | Unhealthy for sensitive groups |
| 07:00 | 99 | Moderate |
| 08:00 | 97 | Moderate |
| 09:00 | 96 | Moderate |