Mumbai vs Vellore
Side-by-side air quality comparison between Mumbai and Vellore.
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 Vellore averaged 61 — a 32-point (52%) gap, with Mumbai the more polluted and Vellore the cleaner of the two. On 234 days when both cities reported, Vellore was cleaner on 232 of them; the average daily gap was 123 AQI points.
Seasonality & days
Both cities see their worst air in December on average. Mumbai logged 0.5% Severe days and 34% Good-or-Satisfactory days; Vellore was 0% Severe and 83.5% Good-or-Satisfactory. Longest clean-air streaks: Mumbai 58 days, Vellore 23 days.
Year-over-year progress
Mumbai has improved by 4 AQI points (4.1%) from 2016 to 2024; Vellore has improved by 10 AQI points (14.1%) over the same window. The worst recorded day for Mumbai reached AQI 500 at Vile Parle West (MPCB) on 2022-08-15; Vellore hit AQI 245 at Vasanthapuram (TNPCB) on 2024-01-14.
Station-level disparity
Mumbai spans 29 CPCB stations with a 74-point spread (min 77, max 151); Vellore spans 1 stations with a 0-point spread (min 70, max 70).