Howrah air quality
Updated 15/10, 10:31
The data may not be up to date.
Current AQI
US EPA scale · observed at 10:30
91
ModerateUnusually sensitive people should limit prolonged outdoor exertion.
Pollutants
Current concentrations, µg/m³
| Pollutant | Concentration | Description |
|---|---|---|
| PM2.5 | 30,7 µg/m³ | Fine particles ≤ 2.5 µm |
| PM10 | 32 µg/m³ | Particles ≤ 10 µm |
| O₃ | 206 µg/m³ | Ozone |
| NO₂ | 6,4 µg/m³ | Nitrogen dioxide |
| SO₂ | 25,9 µg/m³ | Sulphur dioxide |
| CO | 551 µg/m³ | Carbon monoxide |
AQI, next 13 hours
Show data table
| Time | AQI | Level |
|---|---|---|
| 21:30 | 146 | Unhealthy for sensitive groups |
| 22:30 | 109 | Unhealthy for sensitive groups |
| 23:30 | 106 | Unhealthy for sensitive groups |
| 00:30 | 108 | Unhealthy for sensitive groups |
| 01:30 | 111 | Unhealthy for sensitive groups |
| 02:30 | 113 | Unhealthy for sensitive groups |
| 03:30 | 115 | Unhealthy for sensitive groups |
| 04:30 | 118 | Unhealthy for sensitive groups |
| 05:30 | 120 | Unhealthy for sensitive groups |
| 06:30 | 122 | Unhealthy for sensitive groups |
| 07:30 | 125 | Unhealthy for sensitive groups |
| 08:30 | 127 | Unhealthy for sensitive groups |
| 09:30 | 127 | Unhealthy for sensitive groups |