Gwalior vs Shillong
Side-by-side air quality comparison between Gwalior 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, Gwalior averaged an AQI of 136 while Shillong averaged 75 — a 61-point (81%) gap, with Gwalior the more polluted and Shillong the cleaner of the two. On 905 days when both cities reported, Shillong was cleaner on 885 of them; the average daily gap was 113 AQI points.
Seasonality & days
Gwalior peaks in November, while Shillong peaks in February. Gwalior logged 0.4% Severe days and 31.5% Good-or-Satisfactory days; Shillong was 0% Severe and 92% Good-or-Satisfactory. Longest clean-air streaks: Gwalior 47 days, Shillong 113 days.
Year-over-year progress
Gwalior has improved by 12 AQI points (8.1%) from 2020 to 2024; Shillong has worsened by 41 AQI points (120.6%) over the same window. The worst recorded day for Gwalior reached AQI 450 at City Center (MPPCB) on 2021-11-09; Shillong hit AQI 212 at Lumpyngngad Shillong (PCB) on 2024-02-19.
Station-level disparity
Gwalior spans 4 CPCB stations with a 53-point spread (min 112, max 165); Shillong spans 2 stations with a 2-point spread (min 42, max 44).