Haldia vs Ramanathapuram
Side-by-side air quality comparison between Haldia and Ramanathapuram.
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 Ramanathapuram averaged 42 — a 48-point (114%) gap, with Haldia the more polluted and Ramanathapuram the cleaner of the two. On 557 days when both cities reported, Ramanathapuram was cleaner on 470 of them; the average daily gap was 47 AQI points.
Seasonality & days
Haldia peaks in December, while Ramanathapuram peaks in January. Haldia logged 0% Severe days and 65.4% Good-or-Satisfactory days; Ramanathapuram was 0% Severe and 94.4% Good-or-Satisfactory. Longest clean-air streaks: Haldia 51 days, Ramanathapuram 46 days.
Year-over-year progress
Haldia has worsened by 8 AQI points (9.8%) from 2023 to 2024; Ramanathapuram has improved by 18 AQI points (30%) over the same window. The worst recorded day for Haldia reached AQI 322 at Priyambada Housing Estate (WBPCB) on 2024-11-26; Ramanathapuram hit AQI 246 at Chalai Bazaar (TNPCB) on 2022-12-07.
Station-level disparity
Haldia spans 1 CPCB stations with a 0-point spread (min 86, max 86); Ramanathapuram spans 1 stations with a 0-point spread (min 48, max 48).