Haldia vs Ratlam
Side-by-side air quality comparison between Haldia and Ratlam.
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 Ratlam averaged 113 — a 23-point (26%) gap, with Ratlam the more polluted and Haldia the cleaner of the two. On 656 days when both cities reported, Haldia was cleaner on 436 of them; the average daily gap was 43 AQI points.
Seasonality & days
Haldia peaks in December, while Ratlam peaks in November. Haldia logged 0% Severe days and 65.4% Good-or-Satisfactory days; Ratlam was 0% Severe and 46.4% Good-or-Satisfactory. Longest clean-air streaks: Haldia 51 days, Ratlam 59 days.
Year-over-year progress
Haldia has worsened by 8 AQI points (9.8%) from 2023 to 2024; Ratlam has improved by 19 AQI points (14.4%) over the same window. The worst recorded day for Haldia reached AQI 322 at Priyambada Housing Estate (WBPCB) on 2024-11-26; Ratlam hit AQI 302 at Shasthri Nagar Ratlam (Lab) on 2020-11-11.
Station-level disparity
Haldia spans 1 CPCB stations with a 0-point spread (min 86, max 86); Ratlam spans 1 stations with a 0-point spread (min 103, max 103).