Kolkata: Air quality (AQI)
Indian AQI from the selected CPCB station. Conditions can vary across the city.
Kolkata
West Bengal, IndiaAir quality
Now · 8:00 pm IST87India AQI
Satisfactory
CPCB station · Fort William, Kolkata - WBPCB
- PM₂.₅
- 73 AQI sub-index
- PM₁₀
- 87 AQI sub-index
- NO₂
- 22 AQI sub-index
- O₃
- 36 AQI sub-index
- SO₂
- 10 AQI sub-index
- CO
- 23 AQI sub-index
AQI trend over the last 24 hours
US AQI · CAMSThe 24-hour trend uses CAMS model estimates on the US AQI scale. It is a separate dataset, not the history of a CPCB station; the two scales have different categories. 24/24
Hourly forecast
| Forecast updated (IST) | US AQI | PM2.5 (µg/m³) |
|---|---|---|
| 2026-10-21 22:00 | 166 | 103.1 |
| 2026-10-21 23:00 | 165 | 91.7 |
| 2026-10-22 00:00 | 165 | 80.8 |
| 2026-10-22 01:00 | 164 | 71.5 |
| 2026-10-22 02:00 | 163 | 65.9 |
| 2026-10-22 03:00 | 162 | 64.3 |
| 2026-10-22 04:00 | 161 | 65.7 |
| 2026-10-22 05:00 | 161 | 54.9 |
| 2026-10-22 06:00 | 160 | 61.5 |
| 2026-10-22 07:00 | 159 | 59.4 |
| 2026-10-22 08:00 | 159 | 48.9 |
| 2026-10-22 09:00 | 158 | 41.2 |
| 2026-10-22 10:00 | 158 | 39.3 |
| 2026-10-22 11:00 | 158 | 39.5 |
| 2026-10-22 12:00 | 157 | 39.7 |
| 2026-10-22 13:00 | 157 | 40.6 |
| 2026-10-22 14:00 | 175 | 40.3 |
| 2026-10-22 15:00 | 195 | 42.5 |
| 2026-10-22 16:00 | 203 | 47.3 |
| 2026-10-22 17:00 | 203 | 57.5 |
| 2026-10-22 18:00 | 200 | 71.0 |
| 2026-10-22 19:00 | 187 | 81.7 |
| 2026-10-22 20:00 | 169 | 88.5 |
| 2026-10-22 21:00 | 155 | 91.5 |
Kolkata
More forecasts for this city
Thursday, 22 October
Current estimate
27°
Clear skies
Feels like 32°
Temperature in °C
Rain looks less likely in the hours ahead.
Hourly forecast
Forecast updated 8:42 pm ISTOpen-Meteo
Hourly forecast
Temperature & rain chanceNow27°0%
9:00 pm27°0%
10:00 pm26°0%
11:00 pm26°0%
7-day forecast
7-day forecastToday4%25°32°
Tomorrow0%24°32°
Sat0%23°31°
Sun0%23°31°
Mon14%22°32°
Tue51%23°34°
Wed82%23°30°
Forecasts can change. Check again closer to your plans.
India
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Model-based weather data from Open-Meteo. Mausm is independent and is not affiliated with IMD. About & data →