Kollam vs Koppal
Side-by-side air quality comparison between Kollam and Koppal.
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 Koppal averaged 65 — a 19-point (29%) gap, with Kollam the more polluted and Koppal the cleaner of the two. On 1021 days when both cities reported, Koppal was cleaner on 686 of them; the average daily gap was 32 AQI points.
Seasonality & days
Kollam peaks in January, while Koppal peaks in February. Kollam logged 0% Severe days and 81% Good-or-Satisfactory days; Koppal was 0% Severe and 85.5% Good-or-Satisfactory. Longest clean-air streaks: Kollam 65 days, Koppal 47 days.
Year-over-year progress
Kollam has improved by 2 AQI points (2.3%) from 2020 to 2024; Koppal has improved by 31 AQI points (32.3%) over the same window. The worst recorded day for Kollam reached AQI 272 at Polayathode Kollam (PCB) on 2024-04-06; Koppal hit AQI 384 at Diwator Nagar (KSPCB) on 2023-02-16.
Station-level disparity
Kollam spans 1 CPCB stations with a 0-point spread (min 84, max 84); Koppal spans 1 stations with a 0-point spread (min 70, max 70).