Kollam vs Mahād
Side-by-side air quality comparison between Kollam and Mahād.
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 Mahād averaged 90 — a 6-point (7%) gap, with Mahād the more polluted and Kollam the cleaner of the two. On 402 days when both cities reported, Kollam was cleaner on 214 of them; the average daily gap was 43 AQI points.
Seasonality & days
Kollam peaks in January, while Mahād peaks in November. Kollam logged 0% Severe days and 81% Good-or-Satisfactory days; Mahād was 0% Severe and 63.699999999999996% Good-or-Satisfactory. Longest clean-air streaks: Kollam 65 days, Mahād 49 days.
Year-over-year progress
Kollam has improved by 2 AQI points (2.3%) from 2020 to 2024; Mahād has worsened by 6 AQI points (7.1%) over the same window. The worst recorded day for Kollam reached AQI 272 at Polayathode Kollam (PCB) on 2024-04-06; Mahād hit AQI 242 at Kamble Tarf Birwadi (MPCB) on 2023-11-19.
Station-level disparity
Kollam spans 1 CPCB stations with a 0-point spread (min 84, max 84); Mahād spans 1 stations with a 0-point spread (min 88, max 88).