Haldia vs Puducherry
Side-by-side air quality comparison between Haldia and Puducherry.
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 Puducherry averaged 55 — a 35-point (64%) gap, with Haldia the more polluted and Puducherry the cleaner of the two. On 673 days when both cities reported, Puducherry was cleaner on 426 of them; the average daily gap was 43 AQI points.
Seasonality & days
Both cities see their worst air in December on average. Haldia logged 0% Severe days and 65.4% Good-or-Satisfactory days; Puducherry was 0% Severe and 95.4% Good-or-Satisfactory. Longest clean-air streaks: Haldia 51 days, Puducherry 117 days.
Year-over-year progress
Haldia has worsened by 8 AQI points (9.8%) from 2023 to 2024; Puducherry has worsened by 1 AQI points (1.9%) over the same window. The worst recorded day for Haldia reached AQI 322 at Priyambada Housing Estate (WBPCB) on 2024-11-26; Puducherry hit AQI 274 at Jawahar Nagar (PPCC) on 2022-10-25.
Station-level disparity
Haldia spans 1 CPCB stations with a 0-point spread (min 86, max 86); Puducherry spans 1 stations with a 0-point spread (min 56, max 56).