Navi Mumbai vs Shillong
Side-by-side air quality comparison between Navi Mumbai and Shillong.
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, Navi Mumbai averaged an AQI of 107 while Shillong averaged 75 — a 32-point (43%) gap, with Navi Mumbai the more polluted and Shillong the cleaner of the two. On 975 days when both cities reported, Shillong was cleaner on 951 of them; the average daily gap was 103 AQI points.
Seasonality & days
Navi Mumbai peaks in January, while Shillong peaks in February. Navi Mumbai logged 0.2% Severe days and 43.6% Good-or-Satisfactory days; Shillong was 0% Severe and 92% Good-or-Satisfactory. Longest clean-air streaks: Navi Mumbai 57 days, Shillong 113 days.
Year-over-year progress
Navi Mumbai has worsened by 29 AQI points (37.2%) from 2016 to 2024; Shillong has worsened by 41 AQI points (120.6%) over the same window. The worst recorded day for Navi Mumbai reached AQI 477 at Airoli Navi (MPCB) on 2019-04-14; Shillong hit AQI 212 at Lumpyngngad Shillong (PCB) on 2024-02-19.
Station-level disparity
Navi Mumbai spans 8 CPCB stations with a 37-point spread (min 93, max 130); Shillong spans 2 stations with a 2-point spread (min 42, max 44).