北京 air quality
Updated 10/19 12:00
Current AQI
US EPA scale · observed at 12:00
176
UnhealthyEveryone should reduce outdoor activity; sensitive groups should stay indoors.
Pollutants
Current concentrations, µg/m³
| Pollutant | Concentration | Description |
|---|---|---|
| PM2.5 | 66,1 µg/m³ | Fine particles ≤ 2.5 µm |
| PM10 | 105 µg/m³ | Particles ≤ 10 µm |
| O₃ | 25 µg/m³ | Ozone |
| NO₂ | 51 µg/m³ | Nitrogen dioxide |
| SO₂ | 14,4 µg/m³ | Sulphur dioxide |
| CO | 1.035 µg/m³ | Carbon monoxide |
AQI, next 24 hours
Show data table
| Time | AQI | Level |
|---|---|---|
| 12:00 | 176 | Unhealthy |
| 13:00 | 178 | Unhealthy |
| 14:00 | 179 | Unhealthy |
| 15:00 | 181 | Unhealthy |
| 16:00 | 182 | Unhealthy |
| 17:00 | 183 | Unhealthy |
| 18:00 | 183 | Unhealthy |
| 19:00 | 184 | Unhealthy |
| 20:00 | 185 | Unhealthy |
| 21:00 | 186 | Unhealthy |
| 22:00 | 188 | Unhealthy |
| 23:00 | 189 | Unhealthy |
| 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 |