Arrah vs Muzaffarpur
Side-by-side air quality comparison between Arrah and Muzaffarpur.
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 Muzaffarpur averaged 151 — a 28-point (23%) gap, with Muzaffarpur the more polluted and Arrah the cleaner of the two. On 860 days when both cities reported, Arrah was cleaner on 606 of them; the average daily gap was 65 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; Muzaffarpur was 4.5% Severe and 30.900000000000002% Good-or-Satisfactory. Longest clean-air streaks: Arrah 11 days, Muzaffarpur 26 days.
Year-over-year progress
Arrah has improved by 175 AQI points (58.7%) from 2021 to 2024; Muzaffarpur has improved by 62 AQI points (29.1%) over the same window. The worst recorded day for Arrah reached AQI 420 at New DM Office (BSPCB) on 2021-12-21; Muzaffarpur hit AQI 482 at Collectorate (BSPCB) on 2016-01-01.
Station-level disparity
Arrah spans 1 CPCB stations with a 0-point spread (min 162, max 162); Muzaffarpur spans 3 stations with a 14-point spread (min 171, max 185).