Thrissur vs Tirunelveli
Side-by-side air quality comparison between Thrissur and Tirunelveli.
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 Tirunelveli averaged 30 — a 27-point (90%) gap, with Thrissur the more polluted and Tirunelveli the cleaner of the two. On 104 days when both cities reported, Tirunelveli was cleaner on 99 of them; the average daily gap was 18 AQI points.
Seasonality & days
Thrissur peaks in February, while Tirunelveli peaks in October. Thrissur logged 0% Severe days and 88.4% Good-or-Satisfactory days; Tirunelveli was 0% Severe and 100% Good-or-Satisfactory. Longest clean-air streaks: Thrissur 52 days, Tirunelveli 31 days.
Year-over-year progress
The worst recorded day for Thrissur reached AQI 181 at Corporation Ground Thrissur (PCB) on 2023-01-09; Tirunelveli hit AQI 42 at Municipal Corporation Office (TNPCB) on 2024-10-30.
Station-level disparity
Thrissur spans 1 CPCB stations with a 0-point spread (min 68, max 68); Tirunelveli spans 1 stations with a 0-point spread (min 30, max 30).