Firozabad vs Haldia
Side-by-side air quality comparison between Firozabad 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 | Firozabad | Haldia |
|---|---|---|
| PM2.5(µg/m³) | 59.60 | 46.60 |
| PM10(µg/m³) | 146.70 | 51.90 |
| NO₂(µg/m³) | 22.30 | 11.40 |
| SO₂(µg/m³) | 8.40 | 10.40 |
| O₃(µg/m³) | 71.00 | 96.00 |
| CO(µg/m³) | 494.00 | 284.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Firozabad averaged an AQI of 73 while Haldia averaged 90 — a 17-point (23%) gap, with Haldia the more polluted and Firozabad the cleaner of the two. On 350 days when both cities reported, Haldia was cleaner on 173 of them; the average daily gap was 45 AQI points.
Seasonality & days
Firozabad peaks in January, while Haldia peaks in December. Firozabad logged 0.6% Severe days and 56.6% Good-or-Satisfactory days; Haldia was 0% Severe and 65.4% Good-or-Satisfactory. Longest clean-air streaks: Firozabad 68 days, Haldia 51 days.
Year-over-year progress
Firozabad has improved by 70 AQI points (49%) from 2021 to 2024; Haldia has worsened by 8 AQI points (9.8%) over the same window. The worst recorded day for Firozabad reached AQI 489 at Nagla Bhau (UPPCB) on 2021-11-09; Haldia hit AQI 322 at Priyambada Housing Estate (WBPCB) on 2024-11-26.
Station-level disparity
Firozabad spans 2 CPCB stations with a 19-point spread (min 88, max 107); Haldia spans 1 stations with a 0-point spread (min 86, max 86).
Verdict
🏆 Haldia has better air quality with an AQI of 78 compared to Firozabad's 132. That's a significant difference of 54 points.