Haldia vs Kishanganj
Side-by-side air quality comparison between Haldia and Kishanganj.
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 | Kishanganj |
|---|---|---|
| PM2.5(µg/m³) | 46.60 | 85.40 |
| PM10(µg/m³) | 51.90 | 88.50 |
| NO₂(µg/m³) | 11.40 | 13.00 |
| SO₂(µg/m³) | 10.40 | 11.50 |
| O₃(µg/m³) | 96.00 | 88.00 |
| CO(µg/m³) | 284.00 | 750.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Haldia averaged an AQI of 90 while Kishanganj averaged 144 — a 54-point (60%) gap, with Kishanganj the more polluted and Haldia the cleaner of the two. On 577 days when both cities reported, Haldia was cleaner on 473 of them; the average daily gap was 66 AQI points.
Seasonality & days
Haldia peaks in December, while Kishanganj peaks in January. Haldia logged 0% Severe days and 65.4% Good-or-Satisfactory days; Kishanganj was 0.2% Severe and 37.099999999999994% Good-or-Satisfactory. Longest clean-air streaks: Haldia 51 days, Kishanganj 23 days.
Year-over-year progress
Haldia has worsened by 8 AQI points (9.8%) from 2023 to 2024; Kishanganj has improved by 136 AQI points (48.6%) over the same window. The worst recorded day for Haldia reached AQI 322 at Priyambada Housing Estate (WBPCB) on 2024-11-26; Kishanganj hit AQI 417 at SDM Office Khagra (BSPCB) on 2022-02-01.
Station-level disparity
Haldia spans 1 CPCB stations with a 0-point spread (min 86, max 86); Kishanganj spans 1 stations with a 0-point spread (min 156, max 156).
Verdict
🏆 Haldia has better air quality with an AQI of 78 compared to Kishanganj's 185. That's a significant difference of 107 points.