Bettiah vs Haldia
Side-by-side air quality comparison between Bettiah 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 | Bettiah | Haldia |
|---|---|---|
| PM2.5(µg/m³) | 105.00 | 50.20 |
| PM10(µg/m³) | 120.60 | 55.20 |
| NO₂(µg/m³) | 51.70 | 14.30 |
| SO₂(µg/m³) | 12.10 | 9.50 |
| O₃(µg/m³) | 14.00 | 79.00 |
| CO(µg/m³) | 1646.00 | 280.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bettiah averaged an AQI of 127 while Haldia averaged 90 — a 37-point (41%) gap, with Bettiah the more polluted and Haldia the cleaner of the two. On 500 days when both cities reported, Haldia was cleaner on 394 of them; the average daily gap was 90 AQI points.
Seasonality & days
Bettiah peaks in November, while Haldia peaks in December. Bettiah logged 3.2% Severe days and 32.3% Good-or-Satisfactory days; Haldia was 0% Severe and 65.4% Good-or-Satisfactory. Longest clean-air streaks: Bettiah 20 days, Haldia 51 days.
Year-over-year progress
Bettiah has improved by 73 AQI points (36.5%) from 2021 to 2024; Haldia has worsened by 8 AQI points (9.8%) over the same window. The worst recorded day for Bettiah reached AQI 470 at Kamalnath Nagar (BSPCB) on 2023-01-01; Haldia hit AQI 322 at Priyambada Housing Estate (WBPCB) on 2024-11-26.
Station-level disparity
Bettiah spans 1 CPCB stations with a 0-point spread (min 173, 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 84 compared to Bettiah's 251. That's a significant difference of 167 points.