Kochi vs Thrissur
Side-by-side air quality comparison between Kochi and Thrissur.
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, Kochi averaged an AQI of 91 while Thrissur averaged 57 — a 34-point (60%) gap, with Kochi the more polluted and Thrissur the cleaner of the two. On 698 days when both cities reported, Thrissur was cleaner on 465 of them; the average daily gap was 32 AQI points.
Seasonality & days
Kochi peaks in January, while Thrissur peaks in February. Kochi logged 0% Severe days and 70.9% Good-or-Satisfactory days; Thrissur was 0% Severe and 88.4% Good-or-Satisfactory. Longest clean-air streaks: Kochi 80 days, Thrissur 52 days.
Year-over-year progress
Kochi has worsened by 7 AQI points (8.3%) from 2020 to 2024; Thrissur has improved by 21 AQI points (26.9%) over the same window. The worst recorded day for Kochi reached AQI 293 at Vyttila Kochi (PCB) on 2022-12-08; Thrissur hit AQI 181 at Corporation Ground Thrissur (PCB) on 2023-01-09.
Station-level disparity
Kochi spans 1 CPCB stations with a 0-point spread (min 88, max 88); Thrissur spans 1 stations with a 0-point spread (min 68, max 68).