Gaya vs Haldia
Side-by-side air quality comparison between Gaya 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 | Gaya | Haldia |
|---|---|---|
| PM2.5(µg/m³) | 57.70 | 49.00 |
| PM10(µg/m³) | 67.50 | 53.80 |
| NO₂(µg/m³) | 19.60 | 14.40 |
| SO₂(µg/m³) | 12.20 | 8.90 |
| O₃(µg/m³) | 62.00 | 77.00 |
| CO(µg/m³) | 427.00 | 273.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Gaya averaged an AQI of 110 while Haldia averaged 90 — a 20-point (22%) gap, with Gaya the more polluted and Haldia the cleaner of the two. On 697 days when both cities reported, Haldia was cleaner on 620 of them; the average daily gap was 83 AQI points.
Seasonality & days
Gaya peaks in January, while Haldia peaks in December. Gaya logged 1.7% Severe days and 32% Good-or-Satisfactory days; Haldia was 0% Severe and 65.4% Good-or-Satisfactory. Longest clean-air streaks: Gaya 52 days, Haldia 51 days.
Year-over-year progress
Gaya has improved by 89 AQI points (44.7%) from 2016 to 2024; Haldia has worsened by 8 AQI points (9.8%) over the same window. The worst recorded day for Gaya reached AQI 500 at Collectorate (BSPCB) on 2016-10-15; Haldia hit AQI 322 at Priyambada Housing Estate (WBPCB) on 2024-11-26.
Station-level disparity
Gaya spans 3 CPCB stations with a 85-point spread (min 88, max 173); Haldia spans 1 stations with a 0-point spread (min 86, max 86).
Verdict
🏆 Haldia has better air quality with an AQI of 82 compared to Gaya's 96.