Haldia vs Kochi
Side-by-side air quality comparison between Haldia 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, Haldia averaged an AQI of 90 while Kochi averaged 91 — a 1-point (1%) gap, with Kochi the more polluted and Haldia the cleaner of the two. On 328 days when both cities reported, Haldia was cleaner on 197 of them; the average daily gap was 33 AQI points.
Seasonality & days
Haldia peaks in December, while Kochi peaks in January. Haldia logged 0% Severe days and 65.4% Good-or-Satisfactory days; Kochi was 0% Severe and 70.9% Good-or-Satisfactory. Longest clean-air streaks: Haldia 51 days, Kochi 80 days.
Year-over-year progress
Haldia has worsened by 8 AQI points (9.8%) from 2023 to 2024; Kochi has worsened by 7 AQI points (8.3%) over the same window. The worst recorded day for Haldia reached AQI 322 at Priyambada Housing Estate (WBPCB) on 2024-11-26; Kochi hit AQI 293 at Vyttila Kochi (PCB) on 2022-12-08.
Station-level disparity
Haldia spans 1 CPCB stations with a 0-point spread (min 86, max 86); Kochi spans 1 stations with a 0-point spread (min 88, max 88).