Kollam vs Pune
Side-by-side air quality comparison between Kollam 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, Kollam averaged an AQI of 84 while Pune averaged 97 — a 13-point (15%) gap, with Pune the more polluted and Kollam the cleaner of the two. On 961 days when both cities reported, Kollam was cleaner on 789 of them; the average daily gap was 62 AQI points.
Seasonality & days
Kollam peaks in January, while Pune peaks in November. Kollam logged 0% Severe days and 81% Good-or-Satisfactory days; Pune was 0.1% Severe and 44.8% Good-or-Satisfactory. Longest clean-air streaks: Kollam 65 days, Pune 92 days.
Year-over-year progress
Kollam has improved by 2 AQI points (2.3%) from 2020 to 2024; Pune has improved by 7 AQI points (6.7%) over the same window. The worst recorded day for Kollam reached AQI 272 at Polayathode Kollam (PCB) on 2024-04-06; Pune hit AQI 435 at Alandi (IITM) on 2024-01-29.
Station-level disparity
Kollam spans 1 CPCB stations with a 0-point spread (min 84, max 84); Pune spans 12 stations with a 54-point spread (min 68, max 122).