Indore vs Kollam
Side-by-side air quality comparison between Indore and Kollam.
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, Indore averaged an AQI of 84 while Kollam averaged 84 — a 0-point (0%) gap, with Kollam the more polluted and Indore the cleaner of the two. On 1105 days when both cities reported, Kollam was cleaner on 790 of them; the average daily gap was 49 AQI points.
Seasonality & days
Indore peaks in November, while Kollam peaks in January. Indore logged 0% Severe days and 45.099999999999994% Good-or-Satisfactory days; Kollam was 0% Severe and 81% Good-or-Satisfactory. Longest clean-air streaks: Indore 65 days, Kollam 65 days.
Year-over-year progress
Indore has improved by 47 AQI points (35.9%) from 2019 to 2024; Kollam has improved by 2 AQI points (2.3%) over the same window. The worst recorded day for Indore reached AQI 359 at Maguda Nagar (IMC) on 2024-09-18; Kollam hit AQI 272 at Polayathode Kollam (PCB) on 2024-04-06.
Station-level disparity
Indore spans 6 CPCB stations with a 69-point spread (min 52, max 121); Kollam spans 1 stations with a 0-point spread (min 84, max 84).