Ludhiana vs Tirupati
Side-by-side air quality comparison between Ludhiana and Tirupati.
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 Tirupati averaged 75 — a 42-point (56%) gap, with Ludhiana the more polluted and Tirupati the cleaner of the two.
Seasonality & days
Ludhiana peaks in November, while Tirupati peaks in April. Ludhiana logged 0.3% Severe days and 53.599999999999994% Good-or-Satisfactory days; Tirupati was 0% Severe and 84% Good-or-Satisfactory. Longest clean-air streaks: Ludhiana 53 days, Tirupati 36 days.
Year-over-year progress
Ludhiana has improved by 79 AQI points (40.3%) from 2017 to 2021; Tirupati has improved by 20 AQI points (21.1%) over the same window. The worst recorded day for Ludhiana reached AQI 488 at Punjab Agricultural University (PPCB) on 2018-06-14; Tirupati hit AQI 263 at Vaikuntapuram (APPCB) on 2022-11-16.
Station-level disparity
Ludhiana spans 1 CPCB stations with a 0-point spread (min 118, max 118); Tirupati spans 1 stations with a 0-point spread (min 75, max 75).