Air Quality History for Kolkata, India
Historical PM2.5 and AQI trend from monitoring stations near Kolkata, India.
112
Current AQI
Unhealthy for sensitive groups Station
Unhealthy for sensitive groups Station
Air Quality Index Station
258hPM2.5 Station
258h · 1 stationTemperature GFS model
55ptPrecipitation GFS model
mm/dayDaily Summary Station
| Date | AQI | Range | PM2.5 avg | Hours | Stations |
|---|---|---|---|---|---|
| 2026-10-21 | 102 | 81–112 | 35.8 µg/m³ | 4h | 47 |
| 2026-10-20 | 112 | 87–144 | 39.8 µg/m³ | 17h | 37 |
| 2026-10-19 | 113 | 81–151 | 40.3 µg/m³ | 12h | 1 |
| 2026-10-18 | 115 | 109–135 | 41.0 µg/m³ | 9h | 73 |
| 2026-10-17 | 148 | 89–196 | 81.4 µg/m³ | 19h | 23 |
| 2026-10-16 | 178 | 132–189 | 108.8 µg/m³ | 19h | 1 |
| 2026-10-15 | 153 | 78–179 | 80.1 µg/m³ | 18h | 6 |
| 2026-10-14 | 172 | 116–202 | 101.3 µg/m³ | 21h | 2 |
| 2026-10-13 | 182 | 105–217 | 120.1 µg/m³ | 15h | 2 |
| 2026-10-12 | 170 | 98–240 | 94.1 µg/m³ | 24h | 44 |
| 2026-10-11 | 205 | 123–241 | 147.3 µg/m³ | 22h | 1 |
| 2026-10-10 | 180 | 102–225 | 116.2 µg/m³ | 24h | 2 |
| 2026-10-09 | 133 | 106–192 | 62.9 µg/m³ | 22h | 61 |
| 2026-10-08 | 166 | 109–217 | 100.9 µg/m³ | 18h | 23 |
| 2026-10-07 | 212 | 155–253 | 155.8 µg/m³ | 14h | 2 |