Thrissur vs Tiruchirappalli
Side-by-side air quality comparison between Thrissur and Tiruchirappalli.
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, Thrissur averaged an AQI of 57 while Tiruchirappalli averaged 50 — a 7-point (14%) gap, with Thrissur the more polluted and Tiruchirappalli the cleaner of the two. On 76 days when both cities reported, Tiruchirappalli was cleaner on 43 of them; the average daily gap was 20 AQI points.
Seasonality & days
Thrissur peaks in February, while Tiruchirappalli peaks in January. Thrissur logged 0% Severe days and 88.4% Good-or-Satisfactory days; Tiruchirappalli was 0% Severe and 96.5% Good-or-Satisfactory. Longest clean-air streaks: Thrissur 52 days, Tiruchirappalli 46 days.
Year-over-year progress
Thrissur has improved by 21 AQI points (26.9%) from 2020 to 2024; Tiruchirappalli has improved by 23 AQI points (31.5%) over the same window. The worst recorded day for Thrissur reached AQI 181 at Corporation Ground Thrissur (PCB) on 2023-01-09; Tiruchirappalli hit AQI 114 at St Joseph College (TNPCB) on 2024-01-14.
Station-level disparity
Thrissur spans 1 CPCB stations with a 0-point spread (min 68, max 68); Tiruchirappalli spans 1 stations with a 0-point spread (min 52, max 52).