Hanoi air quality
Updated 15/10, 12:00
Current AQI
US EPA scale · observed at 12:00
154
UnhealthyEveryone should reduce outdoor activity; sensitive groups should stay indoors.
Pollutants
Current concentrations, µg/m³
| Pollutant | Concentration | Description |
|---|---|---|
| PM2.5 | 38 µg/m³ | Fine particles ≤ 2.5 µm |
| PM10 | 39,5 µg/m³ | Particles ≤ 10 µm |
| O₃ | 216 µg/m³ | Ozone |
| NO₂ | 7,7 µg/m³ | Nitrogen dioxide |
| SO₂ | 29,2 µg/m³ | Sulphur dioxide |
| CO | 453 µg/m³ | Carbon monoxide |
AQI, next 24 hours
Show data table
| Time | AQI | Level |
|---|---|---|
| 12:00 | 154 | Unhealthy |
| 13:00 | 153 | Unhealthy |
| 14:00 | 153 | Unhealthy |
| 15:00 | 153 | Unhealthy |
| 16:00 | 169 | Unhealthy |
| 17:00 | 193 | Unhealthy |
| 18:00 | 201 | Very unhealthy |
| 19:00 | 196 | Unhealthy |
| 20:00 | 180 | Unhealthy |
| 21:00 | 158 | Unhealthy |
| 22:00 | 145 | Unhealthy for sensitive groups |
| 23:00 | 143 | Unhealthy for sensitive groups |
| 00:00 | 142 | Unhealthy for sensitive groups |
| 01:00 | 140 | Unhealthy for sensitive groups |
| 02:00 | 137 | Unhealthy for sensitive groups |
| 03:00 | 135 | Unhealthy for sensitive groups |
| 04:00 | 132 | Unhealthy for sensitive groups |
| 05:00 | 129 | Unhealthy for sensitive groups |
| 06:00 | 125 | Unhealthy for sensitive groups |
| 07:00 | 121 | Unhealthy for sensitive groups |
| 08:00 | 117 | Unhealthy for sensitive groups |
| 09:00 | 113 | Unhealthy for sensitive groups |
| 10:00 | 112 | Unhealthy for sensitive groups |
| 11:00 | 112 | Unhealthy for sensitive groups |