Aizawl vs Haldia
Side-by-side air quality comparison between Aizawl and Haldia.
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, Aizawl averaged an AQI of 46 while Haldia averaged 90 — a 44-point (96%) gap, with Haldia the more polluted and Aizawl the cleaner of the two. On 608 days when both cities reported, Aizawl was cleaner on 469 of them; the average daily gap was 52 AQI points.
Seasonality & days
Aizawl peaks in March, while Haldia peaks in December. Aizawl logged 0% Severe days and 94.2% Good-or-Satisfactory days; Haldia was 0% Severe and 65.4% Good-or-Satisfactory. Longest clean-air streaks: Aizawl 76 days, Haldia 51 days.
Year-over-year progress
Aizawl has worsened by 16 AQI points (53.3%) from 2020 to 2024; Haldia has worsened by 8 AQI points (9.8%) over the same window. The worst recorded day for Aizawl reached AQI 208 at Sikulpuikawn Aizawl (PCB) on 2021-01-20; Haldia hit AQI 322 at Priyambada Housing Estate (WBPCB) on 2024-11-26.
Station-level disparity
Aizawl spans 1 CPCB stations with a 0-point spread (min 43, max 43); Haldia spans 1 stations with a 0-point spread (min 86, max 86).