Asansol vs Muzaffarpur
Side-by-side air quality comparison between Asansol 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, Asansol averaged an AQI of 145 while Muzaffarpur averaged 151 — a 6-point (4%) gap, with Muzaffarpur the more polluted and Asansol the cleaner of the two. On 1826 days when both cities reported, Asansol was cleaner on 1462 of them; the average daily gap was 72 AQI points.
Seasonality & days
Asansol peaks in December, while Muzaffarpur peaks in January. Asansol logged 0% Severe days and 43.3% Good-or-Satisfactory days; Muzaffarpur was 4.5% Severe and 30.900000000000002% Good-or-Satisfactory. Longest clean-air streaks: Asansol 44 days, Muzaffarpur 26 days.
Year-over-year progress
Asansol has worsened by 12 AQI points (9%) from 2018 to 2024; Muzaffarpur has improved by 62 AQI points (29.1%) over the same window. The worst recorded day for Asansol reached AQI 394 at Court Area (WBPCB) on 2022-12-13; Muzaffarpur hit AQI 482 at Collectorate (BSPCB) on 2016-01-01.
Station-level disparity
Asansol spans 4 CPCB stations with a 40-point spread (min 123, max 163); Muzaffarpur spans 3 stations with a 14-point spread (min 171, max 185).