Bettiah vs Sasaram
Side-by-side air quality comparison between Bettiah and Sasaram.
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, Bettiah averaged an AQI of 127 while Sasaram averaged 109 — a 18-point (17%) gap, with Bettiah the more polluted and Sasaram the cleaner of the two. On 662 days when both cities reported, Sasaram was cleaner on 407 of them; the average daily gap was 77 AQI points.
Seasonality & days
Bettiah peaks in November, while Sasaram peaks in January. Bettiah logged 3.2% Severe days and 32.3% Good-or-Satisfactory days; Sasaram was 0.1% Severe and 37% Good-or-Satisfactory. Longest clean-air streaks: Bettiah 20 days, Sasaram 27 days.
Year-over-year progress
Bettiah has improved by 73 AQI points (36.5%) from 2021 to 2024; Sasaram has improved by 166 AQI points (60.4%) over the same window. The worst recorded day for Bettiah reached AQI 470 at Kamalnath Nagar (BSPCB) on 2023-01-01; Sasaram hit AQI 401 at Dada Peer (BSPCB) on 2021-11-28.
Station-level disparity
Bettiah spans 1 CPCB stations with a 0-point spread (min 173, max 173); Sasaram spans 1 stations with a 0-point spread (min 148, max 148).