Arrah vs Sasaram
Side-by-side air quality comparison between Arrah 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, Arrah averaged an AQI of 123 while Sasaram averaged 109 — a 14-point (13%) gap, with Arrah the more polluted and Sasaram the cleaner of the two. On 716 days when both cities reported, Sasaram was cleaner on 432 of them; the average daily gap was 59 AQI points.
Seasonality & days
Both cities see their worst air in January on average. Arrah logged 0.2% Severe days and 32.3% Good-or-Satisfactory days; Sasaram was 0.1% Severe and 37% Good-or-Satisfactory. Longest clean-air streaks: Arrah 11 days, Sasaram 27 days.
Year-over-year progress
Arrah has improved by 175 AQI points (58.7%) from 2021 to 2024; Sasaram has improved by 166 AQI points (60.4%) over the same window. The worst recorded day for Arrah reached AQI 420 at New DM Office (BSPCB) on 2021-12-21; Sasaram hit AQI 401 at Dada Peer (BSPCB) on 2021-11-28.
Station-level disparity
Arrah spans 1 CPCB stations with a 0-point spread (min 162, max 162); Sasaram spans 1 stations with a 0-point spread (min 148, max 148).