Arrah vs Saharsa
Side-by-side air quality comparison between Arrah and Saharsa.
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 Saharsa averaged 139 — a 16-point (13%) gap, with Saharsa the more polluted and Arrah the cleaner of the two. On 717 days when both cities reported, Arrah was cleaner on 471 of them; the average daily gap was 57 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; Saharsa was 1.4% Severe and 28.4% Good-or-Satisfactory. Longest clean-air streaks: Arrah 11 days, Saharsa 20 days.
Year-over-year progress
Arrah has improved by 175 AQI points (58.7%) from 2021 to 2024; Saharsa has improved by 139 AQI points (50%) over the same window. The worst recorded day for Arrah reached AQI 420 at New DM Office (BSPCB) on 2021-12-21; Saharsa hit AQI 454 at Police Line (BSPCB) on 2022-12-13.
Station-level disparity
Arrah spans 1 CPCB stations with a 0-point spread (min 162, max 162); Saharsa spans 1 stations with a 0-point spread (min 188, max 188).