北京市 air quality
Updated 10/19 14:00
The data may not be up to date.
Current AQI
US EPA scale · observed at 14:00
179
UnhealthyEveryone should reduce outdoor activity; sensitive groups should stay indoors.
Pollutants
Current concentrations, µg/m³
| Pollutant | Concentration | Description |
|---|---|---|
| PM2.5 | 55,4 µg/m³ | Fine particles ≤ 2.5 µm |
| PM10 | 86,6 µg/m³ | Particles ≤ 10 µm |
| O₃ | 31 µg/m³ | Ozone |
| NO₂ | 52 µg/m³ | Nitrogen dioxide |
| SO₂ | 14,8 µg/m³ | Sulphur dioxide |
| CO | 637 µg/m³ | Carbon monoxide |
AQI, next 14 hours
Show data table
| Time | AQI | Level |
|---|---|---|
| 00:00 | 191 | Unhealthy |
| 01:00 | 193 | Unhealthy |
| 02:00 | 194 | Unhealthy |
| 03:00 | 196 | Unhealthy |
| 04:00 | 198 | Unhealthy |
| 05:00 | 199 | Unhealthy |
| 06:00 | 199 | Unhealthy |
| 07:00 | 199 | Unhealthy |
| 08:00 | 198 | Unhealthy |
| 09:00 | 196 | Unhealthy |
| 10:00 | 194 | Unhealthy |
| 11:00 | 194 | Unhealthy |
| 12:00 | 193 | Unhealthy |
| 13:00 | 192 | Unhealthy |