Mumbai vs Samastipur
Side-by-side air quality comparison between Mumbai and Samastipur.
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, Mumbai averaged an AQI of 93 while Samastipur averaged 134 — a 41-point (44%) gap, with Samastipur the more polluted and Mumbai the cleaner of the two. On 485 days when both cities reported, Samastipur was cleaner on 291 of them; the average daily gap was 73 AQI points.
Seasonality & days
Mumbai peaks in December, while Samastipur peaks in January. Mumbai logged 0.5% Severe days and 34% Good-or-Satisfactory days; Samastipur was 1.4% Severe and 23.400000000000002% Good-or-Satisfactory. Longest clean-air streaks: Mumbai 58 days, Samastipur 9 days.
Year-over-year progress
Mumbai has improved by 4 AQI points (4.1%) from 2016 to 2024; Samastipur has improved by 84 AQI points (38.5%) over the same window. The worst recorded day for Mumbai reached AQI 500 at Vile Parle West (MPCB) on 2022-08-15; Samastipur hit AQI 459 at DM Office Kasipur (BSPCB) on 2023-01-01.
Station-level disparity
Mumbai spans 29 CPCB stations with a 74-point spread (min 77, max 151); Samastipur spans 1 stations with a 0-point spread (min 177, max 177).