Gangtok vs Sirohi
Side-by-side air quality comparison between Gangtok and Sirohi.
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 Sirohi averaged 89 — a 41-point (85%) gap, with Sirohi the more polluted and Gangtok the cleaner of the two. On 477 days when both cities reported, Gangtok was cleaner on 404 of them; the average daily gap was 42 AQI points.
Seasonality & days
Gangtok peaks in March, while Sirohi peaks in December. Gangtok logged 0% Severe days and 96.2% Good-or-Satisfactory days; Sirohi was 0% Severe and 69.2% Good-or-Satisfactory. Longest clean-air streaks: Gangtok 94 days, Sirohi 41 days.
Year-over-year progress
Gangtok has worsened by 14 AQI points (41.2%) from 2022 to 2024; Sirohi has improved by 4 AQI points (4.3%) over the same window. The worst recorded day for Gangtok reached AQI 264 at Zero Point GICI (SSPCB) on 2023-01-16; Sirohi hit AQI 335 at Vedhaynath Colony (RSPCB) on 2024-12-26.
Station-level disparity
Gangtok spans 1 CPCB stations with a 0-point spread (min 50, max 50); Sirohi spans 1 stations with a 0-point spread (min 90, max 90).