Arrah vs Bettiah
Side-by-side air quality comparison between Arrah and Bettiah.
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
CPCB Multi-Year History (2016–2024)
Summary
Overview
In 2024, Arrah averaged an AQI of 123 while Bettiah averaged 127 — a 4-point (3%) gap, with Bettiah the more polluted and Arrah the cleaner of the two. On 623 days when both cities reported, Arrah was cleaner on 366 of them; the average daily gap was 67 AQI points.
Seasonality & days
Arrah peaks in January, while Bettiah peaks in November. Arrah logged 0.2% Severe days and 32.3% Good-or-Satisfactory days; Bettiah was 3.2% Severe and 32.3% Good-or-Satisfactory. Longest clean-air streaks: Arrah 11 days, Bettiah 20 days.
Year-over-year progress
Arrah has improved by 175 AQI points (58.7%) from 2021 to 2024; Bettiah has improved by 73 AQI points (36.5%) over the same window. The worst recorded day for Arrah reached AQI 420 at New DM Office (BSPCB) on 2021-12-21; Bettiah hit AQI 470 at Kamalnath Nagar (BSPCB) on 2023-01-01.
Station-level disparity
Arrah spans 1 CPCB stations with a 0-point spread (min 162, max 162); Bettiah spans 1 stations with a 0-point spread (min 173, max 173).