Ahmedabad vs Haldia
Side-by-side air quality comparison between Ahmedabad 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
Pollutant-level comparison (PM2.5, PM10, O3, NO2, SO2, CO)▾
| Pollutant | Ahmedabad | Haldia |
|---|---|---|
| CO(ppb) | 913.29 | 467.87 |
| NO2(ppb) | 16.97 | 2.96 |
| O3(ppb) | 2.49 | 31.08 |
| PM10(µg/m³) | 93.43 | 79.55 |
| PM2.5(µg/m³) | 33.21 | 24.85 |
| SO2(ppb) | 1.41 | 1.75 |
| NH3(ppb) | 33.82 | 25.02 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Ahmedabad averaged an AQI of 117 while Haldia averaged 90 — a 27-point (30%) gap, with Ahmedabad the more polluted and Haldia the cleaner of the two. On 701 days when both cities reported, Haldia was cleaner on 644 of them; the average daily gap was 88 AQI points.
Seasonality & days
Ahmedabad peaks in November, while Haldia peaks in December. Ahmedabad logged 0.1% Severe days and 23.7% Good-or-Satisfactory days; Haldia was 0% Severe and 65.4% Good-or-Satisfactory. Longest clean-air streaks: Ahmedabad 25 days, Haldia 51 days.
Year-over-year progress
Ahmedabad has worsened by 52 AQI points (80%) from 2016 to 2024; Haldia has worsened by 8 AQI points (9.8%) over the same window. The worst recorded day for Ahmedabad reached AQI 430 at Raikhad (IITM) on 2023-03-17; Haldia hit AQI 322 at Priyambada Housing Estate (WBPCB) on 2024-11-26.
Station-level disparity
Ahmedabad spans 9 CPCB stations with a 44-point spread (min 95, max 139); Haldia spans 1 stations with a 0-point spread (min 86, max 86).
Verdict
🏆 Haldia has better air quality with an AQI of 80 compared to Ahmedabad's 94.