首都県 air quality
Updated 10/21 06:01
The data may not be up to date.
Current AQI
US EPA scale · observed at 06:00
135
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 | 50,8 µg/m³ | Fine particles ≤ 2.5 µm |
| PM10 | 85,4 µg/m³ | Particles ≤ 10 µm |
| O₃ | 97 µg/m³ | Ozone |
| NO₂ | 19,9 µg/m³ | Nitrogen dioxide |
| SO₂ | 22,9 µg/m³ | Sulphur dioxide |
| CO | 268 µg/m³ | Carbon monoxide |
AQI, next 6 hours
Show data table
| Time | AQI | Level |
|---|---|---|
| 00:00 | 135 | Unhealthy for sensitive groups |
| 01:00 | 134 | Unhealthy for sensitive groups |
| 02:00 | 133 | Unhealthy for sensitive groups |
| 03:00 | 132 | Unhealthy for sensitive groups |
| 04:00 | 132 | Unhealthy for sensitive groups |
| 05:00 | 131 | Unhealthy for sensitive groups |