Gadag vs Kollam
Side-by-side air quality comparison between Gadag 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, Gadag averaged an AQI of 53 while Kollam averaged 84 — a 31-point (58%) gap, with Kollam the more polluted and Gadag the cleaner of the two. On 903 days when both cities reported, Gadag was cleaner on 755 of them; the average daily gap was 38 AQI points.
Seasonality & days
Gadag peaks in March, while Kollam peaks in January. Gadag logged 0.3% Severe days and 96.1% Good-or-Satisfactory days; Kollam was 0% Severe and 81% Good-or-Satisfactory. Longest clean-air streaks: Gadag 50 days, Kollam 65 days.
Year-over-year progress
Gadag has worsened by 10 AQI points (23.3%) from 2021 to 2024; Kollam has improved by 2 AQI points (2.3%) over the same window. The worst recorded day for Gadag reached AQI 500 at Panchal Nagar (KSPCB) on 2022-12-10; Kollam hit AQI 272 at Polayathode Kollam (PCB) on 2024-04-06.
Station-level disparity
Gadag spans 1 CPCB stations with a 0-point spread (min 54, max 54); Kollam spans 1 stations with a 0-point spread (min 84, max 84).