Kollam vs Lucknow
Side-by-side air quality comparison between Kollam and Lucknow.
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 Lucknow averaged 127 — a 43-point (51%) gap, with Lucknow the more polluted and Kollam the cleaner of the two. On 1119 days when both cities reported, Kollam was cleaner on 1020 of them; the average daily gap was 123 AQI points.
Seasonality & days
Kollam peaks in January, while Lucknow peaks in November. Kollam logged 0% Severe days and 81% Good-or-Satisfactory days; Lucknow was 6.6% Severe and 19.4% Good-or-Satisfactory. Longest clean-air streaks: Kollam 65 days, Lucknow 45 days.
Year-over-year progress
Kollam has improved by 2 AQI points (2.3%) from 2020 to 2024; Lucknow has improved by 89 AQI points (41.2%) over the same window. The worst recorded day for Kollam reached AQI 272 at Polayathode Kollam (PCB) on 2024-04-06; Lucknow hit AQI 500 at Lalbagh (CPCB) on 2017-11-09.
Station-level disparity
Kollam spans 1 CPCB stations with a 0-point spread (min 84, max 84); Lucknow spans 7 stations with a 119-point spread (min 97, max 216).