Ooty vs Thrissur
Side-by-side air quality comparison between Ooty and Thrissur.
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 Thrissur averaged 57 — a 1-point (2%) gap, with Ooty the more polluted and Thrissur the cleaner of the two. On 497 days when both cities reported, Ooty was cleaner on 321 of them; the average daily gap was 24 AQI points.
Seasonality & days
Ooty peaks in May, while Thrissur peaks in February. Ooty logged 0% Severe days and 94.2% Good-or-Satisfactory days; Thrissur was 0% Severe and 88.4% Good-or-Satisfactory. Longest clean-air streaks: Ooty 22 days, Thrissur 52 days.
Year-over-year progress
Ooty is essentially flat from 2022 to 2024; Thrissur has improved by 21 AQI points (26.9%) over the same window. The worst recorded day for Ooty reached AQI 164 at Bombay Castel (TNPCB) on 2024-12-17; Thrissur hit AQI 181 at Corporation Ground Thrissur (PCB) on 2023-01-09.
Station-level disparity
Ooty spans 1 CPCB stations with a 0-point spread (min 59, max 59); Thrissur spans 1 stations with a 0-point spread (min 68, max 68).