Haldia vs Muzaffarpur
Side-by-side air quality comparison between Haldia and Muzaffarpur.
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 | Haldia | Muzaffarpur |
|---|---|---|
| PM2.5(µg/m³) | 46.60 | 120.60 |
| PM10(µg/m³) | 51.90 | 135.00 |
| NO₂(µg/m³) | 11.40 | 48.60 |
| SO₂(µg/m³) | 10.40 | 19.60 |
| O₃(µg/m³) | 96.00 | 54.00 |
| CO(µg/m³) | 284.00 | 873.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Haldia averaged an AQI of 90 while Muzaffarpur averaged 151 — a 61-point (68%) gap, with Muzaffarpur the more polluted and Haldia the cleaner of the two. On 696 days when both cities reported, Haldia was cleaner on 667 of them; the average daily gap was 110 AQI points.
Seasonality & days
Haldia peaks in December, while Muzaffarpur peaks in January. Haldia logged 0% Severe days and 65.4% Good-or-Satisfactory days; Muzaffarpur was 4.5% Severe and 30.900000000000002% Good-or-Satisfactory. Longest clean-air streaks: Haldia 51 days, Muzaffarpur 26 days.
Year-over-year progress
Haldia has worsened by 8 AQI points (9.8%) from 2023 to 2024; Muzaffarpur has improved by 62 AQI points (29.1%) over the same window. The worst recorded day for Haldia reached AQI 322 at Priyambada Housing Estate (WBPCB) on 2024-11-26; Muzaffarpur hit AQI 482 at Collectorate (BSPCB) on 2016-01-01.
Station-level disparity
Haldia spans 1 CPCB stations with a 0-point spread (min 86, max 86); Muzaffarpur spans 3 stations with a 14-point spread (min 171, max 185).
Verdict
🏆 Haldia has better air quality with an AQI of 78 compared to Muzaffarpur's 301. That's a significant difference of 223 points.