콜카타 air quality
Updated 10. 19. 06:30
The data may not be up to date.
Current AQI
US EPA scale · observed at 06:30
176
UnhealthyEveryone should reduce outdoor activity; sensitive groups should stay indoors.
Pollutants
Current concentrations, µg/m³
| Pollutant | Concentration | Description |
|---|---|---|
| PM2.5 | 82,9 µg/m³ | Fine particles ≤ 2.5 µm |
| PM10 | 86,8 µg/m³ | Particles ≤ 10 µm |
| O₃ | 93 µg/m³ | Ozone |
| NO₂ | 14,1 µg/m³ | Nitrogen dioxide |
| SO₂ | 25,9 µg/m³ | Sulphur dioxide |
| CO | 615 µg/m³ | Carbon monoxide |
AQI, next 16 hours
Show data table
| Time | AQI | Level |
|---|---|---|
| 14:30 | 168 | Unhealthy |
| 15:30 | 170 | Unhealthy |
| 16:30 | 181 | Unhealthy |
| 17:30 | 182 | Unhealthy |
| 18:30 | 175 | Unhealthy |
| 19:30 | 165 | Unhealthy |
| 20:30 | 165 | Unhealthy |
| 21:30 | 166 | Unhealthy |
| 22:30 | 166 | Unhealthy |
| 23:30 | 167 | Unhealthy |
| 00:30 | 168 | Unhealthy |
| 01:30 | 169 | Unhealthy |
| 02:30 | 170 | Unhealthy |
| 03:30 | 172 | Unhealthy |
| 04:30 | 174 | Unhealthy |
| 05:30 | 175 | Unhealthy |