Jālna vs Kollam
Side-by-side air quality comparison between Jālna 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, Jālna averaged an AQI of 115 while Kollam averaged 84 — a 31-point (37%) gap, with Jālna the more polluted and Kollam the cleaner of the two. On 381 days when both cities reported, Kollam was cleaner on 237 of them; the average daily gap was 51 AQI points.
Seasonality & days
Jālna peaks in March, while Kollam peaks in January. Jālna logged 0% Severe days and 53.1% Good-or-Satisfactory days; Kollam was 0% Severe and 81% Good-or-Satisfactory. Longest clean-air streaks: Jālna 17 days, Kollam 65 days.
Year-over-year progress
Jālna has worsened by 18 AQI points (18.6%) from 2023 to 2024; Kollam has improved by 2 AQI points (2.3%) over the same window. The worst recorded day for Jālna reached AQI 335 at Old MIDC (MPCB) on 2024-03-07; Kollam hit AQI 272 at Polayathode Kollam (PCB) on 2024-04-06.
Station-level disparity
Jālna spans 1 CPCB stations with a 0-point spread (min 109, max 109); Kollam spans 1 stations with a 0-point spread (min 84, max 84).