Lucknow vs Tiruchirappalli
Side-by-side air quality comparison between Lucknow and Tiruchirappalli.
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, Lucknow averaged an AQI of 127 while Tiruchirappalli averaged 50 — a 77-point (154%) gap, with Lucknow the more polluted and Tiruchirappalli the cleaner of the two. On 82 days when both cities reported, Tiruchirappalli was cleaner on 82 of them; the average daily gap was 207 AQI points.
Seasonality & days
Lucknow peaks in November, while Tiruchirappalli peaks in January. Lucknow logged 6.6% Severe days and 19.4% Good-or-Satisfactory days; Tiruchirappalli was 0% Severe and 96.5% Good-or-Satisfactory. Longest clean-air streaks: Lucknow 45 days, Tiruchirappalli 46 days.
Year-over-year progress
Lucknow has improved by 89 AQI points (41.2%) from 2016 to 2024; Tiruchirappalli has improved by 23 AQI points (31.5%) over the same window. The worst recorded day for Lucknow reached AQI 500 at Lalbagh (CPCB) on 2017-11-09; Tiruchirappalli hit AQI 114 at St Joseph College (TNPCB) on 2024-01-14.
Station-level disparity
Lucknow spans 7 CPCB stations with a 119-point spread (min 97, max 216); Tiruchirappalli spans 1 stations with a 0-point spread (min 52, max 52).