Bettiah vs Hajipur
Side-by-side air quality comparison between Bettiah and Hajipur.
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 | Hajipur |
|---|---|---|
| PM2.5(µg/m³) | 105.00 | 97.80 |
| PM10(µg/m³) | 116.60 | 109.40 |
| NO₂(µg/m³) | 41.60 | 40.50 |
| SO₂(µg/m³) | 13.00 | 18.90 |
| O₃(µg/m³) | 55.00 | 52.00 |
| CO(µg/m³) | 1389.00 | 725.00 |
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Bettiah averaged an AQI of 127 while Hajipur averaged 173 — a 46-point (36%) gap, with Hajipur the more polluted and Bettiah the cleaner of the two. On 780 days when both cities reported, Hajipur was cleaner on 421 of them; the average daily gap was 65 AQI points.
Seasonality & days
Bettiah peaks in November, while Hajipur peaks in December. Bettiah logged 3.2% Severe days and 32.3% Good-or-Satisfactory days; Hajipur was 0.3% Severe and 36.6% Good-or-Satisfactory. Longest clean-air streaks: Bettiah 20 days, Hajipur 36 days.
Year-over-year progress
Bettiah has improved by 73 AQI points (36.5%) from 2021 to 2024; Hajipur has worsened by 74 AQI points (74.7%) over the same window. The worst recorded day for Bettiah reached AQI 470 at Kamalnath Nagar (BSPCB) on 2023-01-01; Hajipur hit AQI 427 at Industrial Area (BSPCB) on 2024-11-12.
Station-level disparity
Bettiah spans 1 CPCB stations with a 0-point spread (min 173, max 173); Hajipur spans 1 stations with a 0-point spread (min 149, max 149).
Verdict
🏆 Hajipur has better air quality with an AQI of 227 compared to Bettiah's 251.