Haldia vs Surat
Side-by-side air quality comparison between Haldia and Surat.
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 Surat averaged 83 — a 7-point (8%) gap, with Haldia the more polluted and Surat the cleaner of the two. On 533 days when both cities reported, Haldia was cleaner on 337 of them; the average daily gap was 61 AQI points.
Seasonality & days
Haldia peaks in December, while Surat peaks in November. Haldia logged 0% Severe days and 65.4% Good-or-Satisfactory days; Surat was 0% Severe and 55.9% Good-or-Satisfactory. Longest clean-air streaks: Haldia 51 days, Surat 55 days.
Year-over-year progress
Haldia has worsened by 8 AQI points (9.8%) from 2023 to 2024; Surat has improved by 139 AQI points (62.6%) over the same window. The worst recorded day for Haldia reached AQI 322 at Priyambada Housing Estate (WBPCB) on 2024-11-26; Surat hit AQI 384 at Science Center (SMC) on 2023-08-19.
Station-level disparity
Haldia spans 1 CPCB stations with a 0-point spread (min 86, max 86); Surat spans 1 stations with a 0-point spread (min 123, max 123).