State of West Bengal air quality
Updated 14/10, 06:30
The data may not be up to date.
Current AQI
US EPA scale · observed at 06:30
163
UnhealthyEveryone should reduce outdoor activity; sensitive groups should stay indoors.
Pollutants
Current concentrations, µg/m³
| Pollutant | Concentration | Description |
|---|---|---|
| PM2.5 | 86,4 µg/m³ | Fine particles ≤ 2.5 µm |
| PM10 | 88 µg/m³ | Particles ≤ 10 µm |
| O₃ | 84 µg/m³ | Ozone |
| NO₂ | 22 µg/m³ | Nitrogen dioxide |
| SO₂ | 32,8 µg/m³ | Sulphur dioxide |
| CO | 930 µg/m³ | Carbon monoxide |
AQI, next 15 hours
Show data table
| Time | AQI | Level |
|---|---|---|
| 15:30 | 179 | Unhealthy |
| 16:30 | 188 | Unhealthy |
| 17:30 | 186 | Unhealthy |
| 18:30 | 176 | Unhealthy |
| 19:30 | 161 | Unhealthy |
| 20:30 | 154 | Unhealthy |
| 21:30 | 154 | Unhealthy |
| 22:30 | 152 | Unhealthy |
| 23:30 | 151 | Unhealthy |
| 00:30 | 147 | Unhealthy for sensitive groups |
| 01:30 | 141 | Unhealthy for sensitive groups |
| 02:30 | 135 | Unhealthy for sensitive groups |
| 03:30 | 130 | Unhealthy for sensitive groups |
| 04:30 | 126 | Unhealthy for sensitive groups |
| 05:30 | 123 | Unhealthy for sensitive groups |