Kollam vs Madurai
Side-by-side air quality comparison between Kollam and Madurai.
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 Madurai averaged 48 — a 36-point (75%) gap, with Kollam the more polluted and Madurai the cleaner of the two. On 58 days when both cities reported, Madurai was cleaner on 45 of them; the average daily gap was 30 AQI points.
Seasonality & days
Kollam peaks in January, while Madurai peaks in December. Kollam logged 0% Severe days and 81% Good-or-Satisfactory days; Madurai was 0% Severe and 98.7% Good-or-Satisfactory. Longest clean-air streaks: Kollam 65 days, Madurai 17 days.
Year-over-year progress
The worst recorded day for Kollam reached AQI 272 at Polayathode Kollam (PCB) on 2024-04-06; Madurai hit AQI 105 at Uchapatti (TNPCB) on 2024-11-26.
Station-level disparity
Kollam spans 1 CPCB stations with a 0-point spread (min 84, max 84); Madurai spans 1 stations with a 0-point spread (min 48, max 48).