Gangtok vs Hapur
Side-by-side air quality comparison between Gangtok and Hapur.
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 Hapur averaged 142 — a 94-point (196%) gap, with Hapur the more polluted and Gangtok the cleaner of the two. On 741 days when both cities reported, Gangtok was cleaner on 647 of them; the average daily gap was 93 AQI points.
Seasonality & days
Gangtok peaks in March, while Hapur peaks in November. Gangtok logged 0% Severe days and 96.2% Good-or-Satisfactory days; Hapur was 1.9% Severe and 36.2% Good-or-Satisfactory. Longest clean-air streaks: Gangtok 94 days, Hapur 55 days.
Year-over-year progress
Gangtok has worsened by 14 AQI points (41.2%) from 2022 to 2024; Hapur has improved by 197 AQI points (58.1%) over the same window. The worst recorded day for Gangtok reached AQI 264 at Zero Point GICI (SSPCB) on 2023-01-16; Hapur hit AQI 477 at Anand Vihar (UPPCB) on 2019-10-31.
Station-level disparity
Gangtok spans 1 CPCB stations with a 0-point spread (min 50, max 50); Hapur spans 1 stations with a 0-point spread (min 159, max 159).