Chennai vs Tirumala
Side-by-side air quality comparison between Chennai and Tirumala.
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, Chennai averaged an AQI of 68 while Tirumala averaged 89 — a 21-point (31%) gap, with Tirumala the more polluted and Chennai the cleaner of the two.
Seasonality & days
Chennai peaks in December, while Tirumala peaks in November. Chennai logged 0% Severe days and 57.5% Good-or-Satisfactory days; Tirumala was 0% Severe and 65.8% Good-or-Satisfactory. Longest clean-air streaks: Chennai 53 days, Tirumala 39 days.
Year-over-year progress
The worst recorded day for Chennai reached AQI 391 at Kodungaiyur (TNPCB) on 2021-05-14; Tirumala hit AQI 173 at Toll Gate (APPCB) on 2016-12-30.
Station-level disparity
Chennai spans 9 CPCB stations with a 27-point spread (min 63, max 90); Tirumala spans 1 stations with a 0-point spread (min 89, max 89).