Gangtok vs Prayagraj
Side-by-side air quality comparison between Gangtok and Prayagraj.
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 Prayagraj averaged 80 — a 32-point (67%) gap, with Prayagraj the more polluted and Gangtok the cleaner of the two. On 456 days when both cities reported, Gangtok was cleaner on 432 of them; the average daily gap was 70 AQI points.
Seasonality & days
Gangtok peaks in March, while Prayagraj peaks in November. Gangtok logged 0% Severe days and 96.2% Good-or-Satisfactory days; Prayagraj was 0.2% Severe and 48% Good-or-Satisfactory. Longest clean-air streaks: Gangtok 94 days, Prayagraj 69 days.
Year-over-year progress
Gangtok has worsened by 14 AQI points (41.2%) from 2022 to 2024; Prayagraj has improved by 42 AQI points (34.4%) over the same window. The worst recorded day for Gangtok reached AQI 264 at Zero Point GICI (SSPCB) on 2023-01-16; Prayagraj hit AQI 416 at Nagar Nigam (UPPCB) on 2021-11-08.
Station-level disparity
Gangtok spans 1 CPCB stations with a 0-point spread (min 50, max 50); Prayagraj spans 3 stations with a 9-point spread (min 96, max 105).