Kollam vs Kota
Side-by-side air quality comparison between Kollam and Kota.
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 Kota averaged 131 — a 47-point (56%) gap, with Kota the more polluted and Kollam the cleaner of the two. On 1099 days when both cities reported, Kollam was cleaner on 808 of them; the average daily gap was 58 AQI points.
Seasonality & days
Kollam peaks in January, while Kota peaks in November. Kollam logged 0% Severe days and 81% Good-or-Satisfactory days; Kota was 0% Severe and 40.599999999999994% Good-or-Satisfactory. Longest clean-air streaks: Kollam 65 days, Kota 89 days.
Year-over-year progress
Kollam has improved by 2 AQI points (2.3%) from 2020 to 2024; Kota has improved by 45 AQI points (25.6%) over the same window. The worst recorded day for Kollam reached AQI 272 at Polayathode Kollam (PCB) on 2024-04-06; Kota hit AQI 375 at Shrinath Puram (RSPCB) on 2021-11-14.
Station-level disparity
Kollam spans 1 CPCB stations with a 0-point spread (min 84, max 84); Kota spans 3 stations with a 9-point spread (min 121, max 130).