Haldia vs Silchar
Side-by-side air quality comparison between Haldia and Silchar.
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 Silchar averaged 52 — a 38-point (73%) gap, with Haldia the more polluted and Silchar the cleaner of the two. On 668 days when both cities reported, Silchar was cleaner on 495 of them; the average daily gap was 46 AQI points.
Seasonality & days
Haldia peaks in December, while Silchar peaks in February. Haldia logged 0% Severe days and 65.4% Good-or-Satisfactory days; Silchar was 0% Severe and 100% Good-or-Satisfactory. Longest clean-air streaks: Haldia 51 days, Silchar 87 days.
Year-over-year progress
Haldia has worsened by 8 AQI points (9.8%) from 2023 to 2024; Silchar has worsened by 11 AQI points (26.8%) over the same window. The worst recorded day for Haldia reached AQI 322 at Priyambada Housing Estate (WBPCB) on 2024-11-26; Silchar hit AQI 89 at Tarapur (PCBA) on 2023-04-29.
Station-level disparity
Haldia spans 1 CPCB stations with a 0-point spread (min 86, max 86); Silchar spans 1 stations with a 0-point spread (min 47, max 47).