Chandrapur vs Kollam
Side-by-side air quality comparison between Chandrapur 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 2022, Chandrapur averaged an AQI of 123 while Kollam averaged 84 — a 39-point (46%) gap, with Chandrapur the more polluted and Kollam the cleaner of the two. On 708 days when both cities reported, Kollam was cleaner on 430 of them; the average daily gap was 48 AQI points.
Seasonality & days
Chandrapur peaks in March, while Kollam peaks in January. Chandrapur logged 0.3% Severe days and 58.800000000000004% Good-or-Satisfactory days; Kollam was 0% Severe and 81% Good-or-Satisfactory. Longest clean-air streaks: Chandrapur 37 days, Kollam 65 days.
Year-over-year progress
Chandrapur has improved by 1 AQI points (0.8%) from 2017 to 2022; Kollam has improved by 2 AQI points (2.3%) over the same window. The worst recorded day for Chandrapur reached AQI 500 at MIDC Khutala (MPCB) on 2017-11-14; Kollam hit AQI 272 at Polayathode Kollam (PCB) on 2024-04-06.
Station-level disparity
Chandrapur spans 1 CPCB stations with a 0-point spread (min 100, max 100); Kollam spans 1 stations with a 0-point spread (min 84, max 84).