Aizawl vs Gangtok
Side-by-side air quality comparison between Aizawl and Gangtok.
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, Aizawl averaged an AQI of 46 while Gangtok averaged 48 — a 2-point (4%) gap, with Gangtok the more polluted and Aizawl the cleaner of the two. On 678 days when both cities reported, Aizawl was cleaner on 391 of them; the average daily gap was 20 AQI points.
Seasonality & days
Both cities see their worst air in March on average. Aizawl logged 0% Severe days and 94.2% Good-or-Satisfactory days; Gangtok was 0% Severe and 96.2% Good-or-Satisfactory. Longest clean-air streaks: Aizawl 76 days, Gangtok 94 days.
Year-over-year progress
Aizawl has worsened by 16 AQI points (53.3%) from 2020 to 2024; Gangtok has worsened by 14 AQI points (41.2%) over the same window. The worst recorded day for Aizawl reached AQI 208 at Sikulpuikawn Aizawl (PCB) on 2021-01-20; Gangtok hit AQI 264 at Zero Point GICI (SSPCB) on 2023-01-16.
Station-level disparity
Aizawl spans 1 CPCB stations with a 0-point spread (min 43, max 43); Gangtok spans 1 stations with a 0-point spread (min 50, max 50).