Haldia vs Satna
Side-by-side air quality comparison between Haldia and Satna.
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 | Satna |
|---|---|---|
| PM2.5(µg/m³) | 46.60 | 31.00 |
| PM10(µg/m³) | 51.90 | 47.80 |
| NO₂(µg/m³) | 11.40 | 18.60 |
| SO₂(µg/m³) | 10.40 | 7.00 |
| O₃(µg/m³) | 96.00 | 55.00 |
| CO(µg/m³) | 284.00 | 240.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Haldia averaged an AQI of 90 while Satna averaged 66 — a 24-point (36%) gap, with Haldia the more polluted and Satna the cleaner of the two. On 647 days when both cities reported, Haldia was cleaner on 370 of them; the average daily gap was 51 AQI points.
Seasonality & days
Haldia peaks in December, while Satna peaks in November. Haldia logged 0% Severe days and 65.4% Good-or-Satisfactory days; Satna was 0.2% Severe and 74.1% Good-or-Satisfactory. Longest clean-air streaks: Haldia 51 days, Satna 146 days.
Year-over-year progress
Haldia has worsened by 8 AQI points (9.8%) from 2023 to 2024; Satna has improved by 58 AQI points (46.8%) over the same window. The worst recorded day for Haldia reached AQI 322 at Priyambada Housing Estate (WBPCB) on 2024-11-26; Satna hit AQI 500 at Bandhavgar Colony Satna (Cement) on 2018-05-27.
Station-level disparity
Haldia spans 1 CPCB stations with a 0-point spread (min 86, max 86); Satna spans 1 stations with a 0-point spread (min 85, max 85).
Verdict
🏆 Satna has better air quality with an AQI of 53 compared to Haldia's 78.