Tirunelveli vs Virudhunagar
Side-by-side air quality comparison between Tirunelveli and Virudhunagar.
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 Virudhunagar averaged 52 — a 22-point (73%) gap, with Virudhunagar the more polluted and Tirunelveli the cleaner of the two. On 90 days when both cities reported, Tirunelveli was cleaner on 54 of them; the average daily gap was 24 AQI points.
Seasonality & days
Tirunelveli peaks in October, while Virudhunagar peaks in November. Tirunelveli logged 0% Severe days and 100% Good-or-Satisfactory days; Virudhunagar was 0% Severe and 92.3% Good-or-Satisfactory. Longest clean-air streaks: Tirunelveli 31 days, Virudhunagar 31 days.
Year-over-year progress
The worst recorded day for Tirunelveli reached AQI 42 at Municipal Corporation Office (TNPCB) on 2024-10-30; Virudhunagar hit AQI 173 at Collectorate Office (TNPCB) on 2024-11-07.
Station-level disparity
Tirunelveli spans 1 CPCB stations with a 0-point spread (min 30, max 30); Virudhunagar spans 1 stations with a 0-point spread (min 52, max 52).