Kolkata vs Pāli
Side-by-side air quality comparison between Kolkata and Pāli.
Live AQI from Open-Meteo CAMS (~45 km global model, updated hourly). Multi-year history from CPCB station data via aqinow.co pipeline (2016–2024, station-level daily records).
AQI Comparison
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Kolkata averaged an AQI of 101 while Pāli averaged 134 — a 33-point (33%) gap, with Pāli the more polluted and Kolkata the cleaner of the two. On 1997 days when both cities reported, Pāli was cleaner on 1057 of them; the average daily gap was 83 AQI points.
Seasonality & days
Kolkata peaks in January, while Pāli peaks in May. Kolkata logged 1% Severe days and 47.800000000000004% Good-or-Satisfactory days; Pāli was 0% Severe and 40.099999999999994% Good-or-Satisfactory. Longest clean-air streaks: Kolkata 75 days, Pāli 38 days.
Year-over-year progress
Kolkata has improved by 76 AQI points (42.9%) from 2017 to 2024; Pāli has improved by 47 AQI points (26%) over the same window. The worst recorded day for Kolkata reached AQI 453 at Rabindra Bharati University (WBPCB) on 2019-01-23; Pāli hit AQI 453 at Indira Colony Vistar (RSPCB) on 2019-04-16.
Station-level disparity
Kolkata spans 7 CPCB stations with a 56-point spread (min 95, max 151); Pāli spans 1 stations with a 0-point spread (min 123, max 123).