Mumbai vs Sasaram
Side-by-side air quality comparison between Mumbai and Sasaram.
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 Sasaram averaged 109 — a 16-point (17%) gap, with Sasaram the more polluted and Mumbai the cleaner of the two. On 674 days when both cities reported, Sasaram was cleaner on 529 of them; the average daily gap was 84 AQI points.
Seasonality & days
Mumbai peaks in December, while Sasaram peaks in January. Mumbai logged 0.5% Severe days and 34% Good-or-Satisfactory days; Sasaram was 0.1% Severe and 37% Good-or-Satisfactory. Longest clean-air streaks: Mumbai 58 days, Sasaram 27 days.
Year-over-year progress
Mumbai has improved by 4 AQI points (4.1%) from 2016 to 2024; Sasaram has improved by 166 AQI points (60.4%) over the same window. The worst recorded day for Mumbai reached AQI 500 at Vile Parle West (MPCB) on 2022-08-15; Sasaram hit AQI 401 at Dada Peer (BSPCB) on 2021-11-28.
Station-level disparity
Mumbai spans 29 CPCB stations with a 74-point spread (min 77, max 151); Sasaram spans 1 stations with a 0-point spread (min 148, max 148).