Kolkata vs Pune
Side-by-side air quality comparison between Kolkata and Pune.
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 Pune averaged 97 — a 4-point (4%) gap, with Kolkata the more polluted and Pune the cleaner of the two. On 1843 days when both cities reported, Pune was cleaner on 1030 of them; the average daily gap was 70 AQI points.
Seasonality & days
Kolkata peaks in January, while Pune peaks in November. Kolkata logged 1% Severe days and 47.800000000000004% Good-or-Satisfactory days; Pune was 0.1% Severe and 44.8% Good-or-Satisfactory. Longest clean-air streaks: Kolkata 75 days, Pune 92 days.
Year-over-year progress
Kolkata has improved by 76 AQI points (42.9%) from 2017 to 2024; Pune has improved by 7 AQI points (6.7%) over the same window. The worst recorded day for Kolkata reached AQI 453 at Rabindra Bharati University (WBPCB) on 2019-01-23; Pune hit AQI 435 at Alandi (IITM) on 2024-01-29.
Station-level disparity
Kolkata spans 7 CPCB stations with a 56-point spread (min 95, max 151); Pune spans 12 stations with a 54-point spread (min 68, max 122).