Asansol vs Kochi
Side-by-side air quality comparison between Asansol and Kochi.
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, Asansol averaged an AQI of 145 while Kochi averaged 91 — a 54-point (59%) gap, with Asansol the more polluted and Kochi the cleaner of the two. On 805 days when both cities reported, Kochi was cleaner on 564 of them; the average daily gap was 60 AQI points.
Seasonality & days
Asansol peaks in December, while Kochi peaks in January. Asansol logged 0% Severe days and 43.3% Good-or-Satisfactory days; Kochi was 0% Severe and 70.9% Good-or-Satisfactory. Longest clean-air streaks: Asansol 44 days, Kochi 80 days.
Year-over-year progress
Asansol has worsened by 12 AQI points (9%) from 2018 to 2024; Kochi has worsened by 7 AQI points (8.3%) over the same window. The worst recorded day for Asansol reached AQI 394 at Court Area (WBPCB) on 2022-12-13; Kochi hit AQI 293 at Vyttila Kochi (PCB) on 2022-12-08.
Station-level disparity
Asansol spans 4 CPCB stations with a 40-point spread (min 123, max 163); Kochi spans 1 stations with a 0-point spread (min 88, max 88).