Durgapur vs Kollam
Side-by-side air quality comparison between Durgapur 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, Durgapur averaged an AQI of 174 while Kollam averaged 84 — a 90-point (107%) gap, with Durgapur the more polluted and Kollam the cleaner of the two. On 159 days when both cities reported, Kollam was cleaner on 142 of them; the average daily gap was 97 AQI points.
Seasonality & days
Durgapur peaks in December, while Kollam peaks in January. Durgapur logged 1.3% Severe days and 30.3% Good-or-Satisfactory days; Kollam was 0% Severe and 81% Good-or-Satisfactory. Longest clean-air streaks: Durgapur 6 days, Kollam 65 days.
Year-over-year progress
The worst recorded day for Durgapur reached AQI 413 at PCBL Residential Complex (WBPCB) on 2024-12-10; Kollam hit AQI 272 at Polayathode Kollam (PCB) on 2024-04-06.
Station-level disparity
Durgapur spans 2 CPCB stations with a 31-point spread (min 164, max 195); Kollam spans 1 stations with a 0-point spread (min 84, max 84).