Dewās vs Gangtok
Side-by-side air quality comparison between Dewās and Gangtok.
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, Dewās averaged an AQI of 98 while Gangtok averaged 48 — a 50-point (104%) gap, with Dewās the more polluted and Gangtok the cleaner of the two. On 708 days when both cities reported, Gangtok was cleaner on 599 of them; the average daily gap was 57 AQI points.
Seasonality & days
Dewās peaks in December, while Gangtok peaks in March. Dewās logged 0% Severe days and 47.7% Good-or-Satisfactory days; Gangtok was 0% Severe and 96.2% Good-or-Satisfactory. Longest clean-air streaks: Dewās 101 days, Gangtok 94 days.
Year-over-year progress
Dewās has improved by 48 AQI points (32.9%) from 2017 to 2024; Gangtok has worsened by 14 AQI points (41.2%) over the same window. The worst recorded day for Dewās reached AQI 327 at Bhopal Chauraha (MPPCB) on 2023-07-01; Gangtok hit AQI 264 at Zero Point GICI (SSPCB) on 2023-01-16.
Station-level disparity
Dewās spans 1 CPCB stations with a 0-point spread (min 106, max 106); Gangtok spans 1 stations with a 0-point spread (min 50, max 50).