Kozhikode vs Shillong
Side-by-side air quality comparison between Kozhikode and Shillong.
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 2023, Kozhikode averaged an AQI of 78 while Shillong averaged 75 — a 3-point (4%) gap, with Kozhikode the more polluted and Shillong the cleaner of the two. On 640 days when both cities reported, Shillong was cleaner on 504 of them; the average daily gap was 27 AQI points.
Seasonality & days
Kozhikode peaks in January, while Shillong peaks in February. Kozhikode logged 0.1% Severe days and 99% Good-or-Satisfactory days; Shillong was 0% Severe and 92% Good-or-Satisfactory. Longest clean-air streaks: Kozhikode 83 days, Shillong 113 days.
Year-over-year progress
Kozhikode has worsened by 29 AQI points (59.2%) from 2020 to 2023; Shillong has worsened by 41 AQI points (120.6%) over the same window. The worst recorded day for Kozhikode reached AQI 417 at Palayam Kozhikode (PCB) on 2021-01-25; Shillong hit AQI 212 at Lumpyngngad Shillong (PCB) on 2024-02-19.
Station-level disparity
Kozhikode spans 1 CPCB stations with a 0-point spread (min 59, max 59); Shillong spans 2 stations with a 2-point spread (min 42, max 44).