Gangtok vs Kolār
Side-by-side air quality comparison between Gangtok and Kolār.
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 Kolār averaged 65 — a 17-point (35%) gap, with Kolār the more polluted and Gangtok the cleaner of the two. On 406 days when both cities reported, Gangtok was cleaner on 311 of them; the average daily gap was 39 AQI points.
Seasonality & days
Gangtok peaks in March, while Kolār peaks in September. Gangtok logged 0% Severe days and 96.2% Good-or-Satisfactory days; Kolār was 0.9% Severe and 85.30000000000001% Good-or-Satisfactory. Longest clean-air streaks: Gangtok 94 days, Kolār 17 days.
Year-over-year progress
Gangtok has worsened by 14 AQI points (41.2%) from 2022 to 2024; Kolār has improved by 56 AQI points (46.3%) over the same window. The worst recorded day for Gangtok reached AQI 264 at Zero Point GICI (SSPCB) on 2023-01-16; Kolār hit AQI 500 at Tamaka Ind Area (KSPCB) on 2018-09-18.
Station-level disparity
Gangtok spans 1 CPCB stations with a 0-point spread (min 50, max 50); Kolār spans 1 stations with a 0-point spread (min 71, max 71).