Gangtok vs Gummidipoondi
Side-by-side air quality comparison between Gangtok and Gummidipoondi.
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 Gummidipoondi averaged 107 — a 59-point (123%) gap, with Gummidipoondi the more polluted and Gangtok the cleaner of the two. On 599 days when both cities reported, Gangtok was cleaner on 524 of them; the average daily gap was 61 AQI points.
Seasonality & days
Gangtok peaks in March, while Gummidipoondi peaks in November. Gangtok logged 0% Severe days and 96.2% Good-or-Satisfactory days; Gummidipoondi was 0% Severe and 59.1% Good-or-Satisfactory. Longest clean-air streaks: Gangtok 94 days, Gummidipoondi 49 days.
Year-over-year progress
Gangtok has worsened by 14 AQI points (41.2%) from 2022 to 2024; Gummidipoondi has worsened by 8 AQI points (8.1%) over the same window. The worst recorded day for Gangtok reached AQI 264 at Zero Point GICI (SSPCB) on 2023-01-16; Gummidipoondi hit AQI 326 at Anthoni Pillai Nagar (TNPCB) on 2023-12-22.
Station-level disparity
Gangtok spans 1 CPCB stations with a 0-point spread (min 50, max 50); Gummidipoondi spans 1 stations with a 0-point spread (min 99, max 99).