Ooty vs Tiruchirappalli
Side-by-side air quality comparison between Ooty 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, Ooty averaged an AQI of 58 while Tiruchirappalli averaged 50 — a 8-point (16%) gap, with Ooty the more polluted and Tiruchirappalli the cleaner of the two. On 58 days when both cities reported, Tiruchirappalli was cleaner on 41 of them; the average daily gap was 27 AQI points.
Seasonality & days
Ooty peaks in May, while Tiruchirappalli peaks in January. Ooty logged 0% Severe days and 94.2% Good-or-Satisfactory days; Tiruchirappalli was 0% Severe and 96.5% Good-or-Satisfactory. Longest clean-air streaks: Ooty 22 days, Tiruchirappalli 46 days.
Year-over-year progress
Ooty is essentially flat from 2022 to 2024; Tiruchirappalli has improved by 23 AQI points (31.5%) over the same window. The worst recorded day for Ooty reached AQI 164 at Bombay Castel (TNPCB) on 2024-12-17; Tiruchirappalli hit AQI 114 at St Joseph College (TNPCB) on 2024-01-14.
Station-level disparity
Ooty spans 1 CPCB stations with a 0-point spread (min 59, max 59); Tiruchirappalli spans 1 stations with a 0-point spread (min 52, max 52).