Ludhiana vs Tirunelveli
Side-by-side air quality comparison between Ludhiana 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 2021, Ludhiana averaged an AQI of 117 while Tirunelveli averaged 30 — a 87-point (290%) gap, with Ludhiana the more polluted and Tirunelveli the cleaner of the two.
Seasonality & days
Ludhiana peaks in November, while Tirunelveli peaks in October. Ludhiana logged 0.3% Severe days and 53.599999999999994% Good-or-Satisfactory days; Tirunelveli was 0% Severe and 100% Good-or-Satisfactory. Longest clean-air streaks: Ludhiana 53 days, Tirunelveli 31 days.
Year-over-year progress
The worst recorded day for Ludhiana reached AQI 488 at Punjab Agricultural University (PPCB) on 2018-06-14; Tirunelveli hit AQI 42 at Municipal Corporation Office (TNPCB) on 2024-10-30.
Station-level disparity
Ludhiana spans 1 CPCB stations with a 0-point spread (min 118, max 118); Tirunelveli spans 1 stations with a 0-point spread (min 30, max 30).