Haldia vs Kārwār
Side-by-side air quality comparison between Haldia and Kārwār.
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 Kārwār averaged 55 — a 35-point (64%) gap, with Haldia the more polluted and Kārwār the cleaner of the two. On 270 days when both cities reported, Kārwār was cleaner on 224 of them; the average daily gap was 46 AQI points.
Seasonality & days
Haldia peaks in December, while Kārwār peaks in January. Haldia logged 0% Severe days and 65.4% Good-or-Satisfactory days; Kārwār was 0% Severe and 92.7% Good-or-Satisfactory. Longest clean-air streaks: Haldia 51 days, Kārwār 34 days.
Year-over-year progress
Haldia has worsened by 8 AQI points (9.8%) from 2023 to 2024; Kārwār has improved by 72 AQI points (56.7%) over the same window. The worst recorded day for Haldia reached AQI 322 at Priyambada Housing Estate (WBPCB) on 2024-11-26; Kārwār hit AQI 222 at KHB Colony (KSPCB) on 2023-12-21.
Station-level disparity
Haldia spans 1 CPCB stations with a 0-point spread (min 86, max 86); Kārwār spans 1 stations with a 0-point spread (min 58, max 58).