Katihar vs Muzaffarpur
Side-by-side air quality comparison between Katihar 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, Katihar averaged an AQI of 123 while Muzaffarpur averaged 151 — a 28-point (23%) gap, with Muzaffarpur the more polluted and Katihar the cleaner of the two. On 967 days when both cities reported, Katihar was cleaner on 570 of them; the average daily gap was 55 AQI points.
Seasonality & days
Katihar peaks in December, while Muzaffarpur peaks in January. Katihar logged 3.1% Severe days and 26.9% Good-or-Satisfactory days; Muzaffarpur was 4.5% Severe and 30.900000000000002% Good-or-Satisfactory. Longest clean-air streaks: Katihar 19 days, Muzaffarpur 26 days.
Year-over-year progress
Katihar has improved by 188 AQI points (60.5%) from 2021 to 2024; Muzaffarpur has improved by 62 AQI points (29.1%) over the same window. The worst recorded day for Katihar reached AQI 465 at Mirchaibari (BSPCB) on 2023-01-23; Muzaffarpur hit AQI 482 at Collectorate (BSPCB) on 2016-01-01.
Station-level disparity
Katihar spans 1 CPCB stations with a 0-point spread (min 185, max 185); Muzaffarpur spans 3 stations with a 14-point spread (min 171, max 185).