Bidar vs Haldia
Side-by-side air quality comparison between Bidar and Haldia.
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, Bidar averaged an AQI of 85 while Haldia averaged 90 — a 5-point (6%) gap, with Haldia the more polluted and Bidar the cleaner of the two. On 466 days when both cities reported, Bidar was cleaner on 245 of them; the average daily gap was 39 AQI points.
Seasonality & days
Bidar peaks in January, while Haldia peaks in December. Bidar logged 0.1% Severe days and 72.5% Good-or-Satisfactory days; Haldia was 0% Severe and 65.4% Good-or-Satisfactory. Longest clean-air streaks: Bidar 24 days, Haldia 51 days.
Year-over-year progress
Bidar has worsened by 1 AQI points (1.2%) from 2021 to 2024; Haldia has worsened by 8 AQI points (9.8%) over the same window. The worst recorded day for Bidar reached AQI 437 at Naubad (KSPCB) on 2022-01-25; Haldia hit AQI 322 at Priyambada Housing Estate (WBPCB) on 2024-11-26.
Station-level disparity
Bidar spans 1 CPCB stations with a 0-point spread (min 84, max 84); Haldia spans 1 stations with a 0-point spread (min 86, max 86).