Kollam vs Tirumala
Side-by-side air quality comparison between Kollam and Tirumala.
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 Tirumala averaged 89 — a 5-point (6%) gap, with Tirumala the more polluted and Kollam the cleaner of the two.
Seasonality & days
Kollam peaks in January, while Tirumala peaks in November. Kollam logged 0% Severe days and 81% Good-or-Satisfactory days; Tirumala was 0% Severe and 65.8% Good-or-Satisfactory. Longest clean-air streaks: Kollam 65 days, Tirumala 39 days.
Year-over-year progress
The worst recorded day for Kollam reached AQI 272 at Polayathode Kollam (PCB) on 2024-04-06; Tirumala hit AQI 173 at Toll Gate (APPCB) on 2016-12-30.
Station-level disparity
Kollam spans 1 CPCB stations with a 0-point spread (min 84, max 84); Tirumala spans 1 stations with a 0-point spread (min 89, max 89).