Tirunelveli vs Vellore
Side-by-side air quality comparison between Tirunelveli and Vellore.
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, Tirunelveli averaged an AQI of 30 while Vellore averaged 61 — a 31-point (103%) gap, with Vellore the more polluted and Tirunelveli the cleaner of the two. On 87 days when both cities reported, Tirunelveli was cleaner on 74 of them; the average daily gap was 30 AQI points.
Seasonality & days
Tirunelveli peaks in October, while Vellore peaks in December. Tirunelveli logged 0% Severe days and 100% Good-or-Satisfactory days; Vellore was 0% Severe and 83.5% Good-or-Satisfactory. Longest clean-air streaks: Tirunelveli 31 days, Vellore 23 days.
Year-over-year progress
The worst recorded day for Tirunelveli reached AQI 42 at Municipal Corporation Office (TNPCB) on 2024-10-30; Vellore hit AQI 245 at Vasanthapuram (TNPCB) on 2024-01-14.
Station-level disparity
Tirunelveli spans 1 CPCB stations with a 0-point spread (min 30, max 30); Vellore spans 1 stations with a 0-point spread (min 70, max 70).