Kollam vs Muzaffarnagar
Side-by-side air quality comparison between Kollam and Muzaffarnagar.
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 Muzaffarnagar averaged 179 — a 95-point (113%) gap, with Muzaffarnagar the more polluted and Kollam the cleaner of the two. On 1285 days when both cities reported, Kollam was cleaner on 1114 of them; the average daily gap was 107 AQI points.
Seasonality & days
Kollam peaks in January, while Muzaffarnagar peaks in December. Kollam logged 0% Severe days and 81% Good-or-Satisfactory days; Muzaffarnagar was 1.1% Severe and 24.799999999999997% Good-or-Satisfactory. Longest clean-air streaks: Kollam 65 days, Muzaffarnagar 25 days.
Year-over-year progress
Kollam has improved by 2 AQI points (2.3%) from 2020 to 2024; Muzaffarnagar has improved by 40 AQI points (18.3%) over the same window. The worst recorded day for Kollam reached AQI 272 at Polayathode Kollam (PCB) on 2024-04-06; Muzaffarnagar hit AQI 446 at New Mandi (UPPCB) on 2019-01-02.
Station-level disparity
Kollam spans 1 CPCB stations with a 0-point spread (min 84, max 84); Muzaffarnagar spans 1 stations with a 0-point spread (min 183, max 183).