Haldia vs Imphal
Side-by-side air quality comparison between Haldia and Imphal.
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 Imphal averaged 110 — a 20-point (22%) gap, with Imphal the more polluted and Haldia the cleaner of the two. On 294 days when both cities reported, Haldia was cleaner on 213 of them; the average daily gap was 66 AQI points.
Seasonality & days
Haldia peaks in December, while Imphal peaks in October. Haldia logged 0% Severe days and 65.4% Good-or-Satisfactory days; Imphal was 1.1% Severe and 49.400000000000006% Good-or-Satisfactory. Longest clean-air streaks: Haldia 51 days, Imphal 103 days.
Year-over-year progress
Haldia has worsened by 8 AQI points (9.8%) from 2023 to 2024; Imphal has worsened by 23 AQI points (26.4%) over the same window. The worst recorded day for Haldia reached AQI 322 at Priyambada Housing Estate (WBPCB) on 2024-11-26; Imphal hit AQI 500 at University Imphal (PCB) on 2024-10-11.
Station-level disparity
Haldia spans 1 CPCB stations with a 0-point spread (min 86, max 86); Imphal spans 2 stations with a 4-point spread (min 97, max 101).