河北 air quality
Updated 10/18 13:01
The data may not be up to date.
Current AQI
US EPA scale · observed at 13:00
80
ModerateUnusually sensitive people should limit prolonged outdoor exertion.
Pollutants
Current concentrations, µg/m³
| Pollutant | Concentration | Description |
|---|---|---|
| PM2.5 | 49,6 µg/m³ | Fine particles ≤ 2.5 µm |
| PM10 | 215,6 µg/m³ | Particles ≤ 10 µm |
| O₃ | 73 µg/m³ | Ozone |
| NO₂ | 11,4 µg/m³ | Nitrogen dioxide |
| SO₂ | 6,6 µg/m³ | Sulphur dioxide |
| CO | 446 µg/m³ | Carbon monoxide |
AQI, next 19 hours
Show data table
| Time | AQI | Level |
|---|---|---|
| 18:00 | 95 | Moderate |
| 19:00 | 97 | Moderate |
| 20:00 | 101 | Unhealthy for sensitive groups |
| 21:00 | 105 | Unhealthy for sensitive groups |
| 22:00 | 110 | Unhealthy for sensitive groups |
| 23:00 | 116 | Unhealthy for sensitive groups |
| 00:00 | 121 | Unhealthy for sensitive groups |
| 01:00 | 127 | Unhealthy for sensitive groups |
| 02:00 | 132 | Unhealthy for sensitive groups |
| 03:00 | 137 | Unhealthy for sensitive groups |
| 04:00 | 141 | Unhealthy for sensitive groups |
| 05:00 | 144 | Unhealthy for sensitive groups |
| 06:00 | 146 | Unhealthy for sensitive groups |
| 07:00 | 148 | Unhealthy for sensitive groups |
| 08:00 | 149 | Unhealthy for sensitive groups |
| 09:00 | 149 | Unhealthy for sensitive groups |
| 10:00 | 149 | Unhealthy for sensitive groups |
| 11:00 | 148 | Unhealthy for sensitive groups |
| 12:00 | 148 | Unhealthy for sensitive groups |