Kollam vs Patiala
Side-by-side air quality comparison between Kollam and Patiala.
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 Patiala averaged 103 — a 19-point (23%) gap, with Patiala the more polluted and Kollam the cleaner of the two. On 1403 days when both cities reported, Kollam was cleaner on 855 of them; the average daily gap was 47 AQI points.
Seasonality & days
Kollam peaks in January, while Patiala peaks in November. Kollam logged 0% Severe days and 81% Good-or-Satisfactory days; Patiala was 0.1% Severe and 54.8% Good-or-Satisfactory. Longest clean-air streaks: Kollam 65 days, Patiala 86 days.
Year-over-year progress
Kollam has improved by 2 AQI points (2.3%) from 2020 to 2024; Patiala has worsened by 8 AQI points (8.4%) over the same window. The worst recorded day for Kollam reached AQI 272 at Polayathode Kollam (PCB) on 2024-04-06; Patiala hit AQI 415 at Model Town (PPCB) on 2019-11-03.
Station-level disparity
Kollam spans 1 CPCB stations with a 0-point spread (min 84, max 84); Patiala spans 1 stations with a 0-point spread (min 104, max 104).