Gangtok vs Ratlam
Side-by-side air quality comparison between Gangtok and Ratlam.
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, Gangtok averaged an AQI of 48 while Ratlam averaged 113 — a 65-point (135%) gap, with Ratlam the more polluted and Gangtok the cleaner of the two. On 737 days when both cities reported, Gangtok was cleaner on 662 of them; the average daily gap was 56 AQI points.
Seasonality & days
Gangtok peaks in March, while Ratlam peaks in November. Gangtok logged 0% Severe days and 96.2% Good-or-Satisfactory days; Ratlam was 0% Severe and 46.4% Good-or-Satisfactory. Longest clean-air streaks: Gangtok 94 days, Ratlam 59 days.
Year-over-year progress
Gangtok has worsened by 14 AQI points (41.2%) from 2022 to 2024; Ratlam has improved by 19 AQI points (14.4%) over the same window. The worst recorded day for Gangtok reached AQI 264 at Zero Point GICI (SSPCB) on 2023-01-16; Ratlam hit AQI 302 at Shasthri Nagar Ratlam (Lab) on 2020-11-11.
Station-level disparity
Gangtok spans 1 CPCB stations with a 0-point spread (min 50, max 50); Ratlam spans 1 stations with a 0-point spread (min 103, max 103).