Ariyalur vs Gangtok
Side-by-side air quality comparison between Ariyalur 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, Ariyalur averaged an AQI of 46 while Gangtok averaged 48 — a 2-point (4%) gap, with Gangtok the more polluted and Ariyalur the cleaner of the two. On 517 days when both cities reported, Ariyalur was cleaner on 300 of them; the average daily gap was 25 AQI points.
Seasonality & days
Both cities see their worst air in March on average. Ariyalur logged 0% Severe days and 93.8% Good-or-Satisfactory days; Gangtok was 0% Severe and 96.2% Good-or-Satisfactory. Longest clean-air streaks: Ariyalur 57 days, Gangtok 94 days.
Year-over-year progress
Ariyalur has improved by 35 AQI points (43.2%) from 2022 to 2024; Gangtok has worsened by 14 AQI points (41.2%) over the same window. The worst recorded day for Ariyalur reached AQI 221 at Keelapalur (TNPCB) on 2024-04-07; Gangtok hit AQI 264 at Zero Point GICI (SSPCB) on 2023-01-16.
Station-level disparity
Ariyalur spans 1 CPCB stations with a 0-point spread (min 51, max 51); Gangtok spans 1 stations with a 0-point spread (min 50, max 50).