北京 air quality
Updated 10/21 13:00
Current AQI
US EPA scale · observed at 13:00
101
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 | 11,4 µg/m³ | Fine particles ≤ 2.5 µm |
| PM10 | 13,6 µg/m³ | Particles ≤ 10 µm |
| O₃ | 56 µg/m³ | Ozone |
| NO₂ | 14,4 µg/m³ | Nitrogen dioxide |
| SO₂ | 4,7 µg/m³ | Sulphur dioxide |
| CO | 383 µg/m³ | Carbon monoxide |
AQI, next 24 hours
Show data table
| Time | AQI | Level |
|---|---|---|
| 13:00 | 101 | Unhealthy for sensitive groups |
| 14:00 | 100 | Moderate |
| 15:00 | 99 | Moderate |
| 16:00 | 99 | Moderate |
| 17:00 | 98 | Moderate |
| 18:00 | 100 | Moderate |
| 19:00 | 101 | Unhealthy for sensitive groups |
| 20:00 | 99 | Moderate |
| 21:00 | 107 | Unhealthy for sensitive groups |
| 22:00 | 114 | Unhealthy for sensitive groups |
| 23:00 | 122 | Unhealthy for sensitive groups |
| 00:00 | 129 | Unhealthy for sensitive groups |
| 01:00 | 136 | Unhealthy for sensitive groups |
| 02:00 | 142 | Unhealthy for sensitive groups |
| 03:00 | 148 | Unhealthy for sensitive groups |
| 04:00 | 151 | Unhealthy |
| 05:00 | 153 | Unhealthy |
| 06:00 | 155 | Unhealthy |
| 07:00 | 158 | Unhealthy |
| 08:00 | 161 | Unhealthy |
| 09:00 | 166 | Unhealthy |
| 10:00 | 168 | Unhealthy |
| 11:00 | 169 | Unhealthy |
| 12:00 | 171 | Unhealthy |