Haldia vs Kolhapur
Side-by-side air quality comparison between Haldia and Kolhapur.
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 Kolhapur averaged 100 — a 10-point (11%) gap, with Kolhapur the more polluted and Haldia the cleaner of the two. On 357 days when both cities reported, Haldia was cleaner on 251 of them; the average daily gap was 56 AQI points.
Seasonality & days
Haldia peaks in December, while Kolhapur peaks in November. Haldia logged 0% Severe days and 65.4% Good-or-Satisfactory days; Kolhapur was 0% Severe and 46.400000000000006% Good-or-Satisfactory. Longest clean-air streaks: Haldia 51 days, Kolhapur 81 days.
Year-over-year progress
The worst recorded day for Haldia reached AQI 322 at Priyambada Housing Estate (WBPCB) on 2024-11-26; Kolhapur hit AQI 321 at Shivaji University (MPCB) on 2024-11-12.
Station-level disparity
Haldia spans 1 CPCB stations with a 0-point spread (min 86, max 86); Kolhapur spans 2 stations with a 19-point spread (min 90, max 109).