Cuddalore vs Ooty
Side-by-side air quality comparison between Cuddalore and Ooty.
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, Cuddalore averaged an AQI of 52 while Ooty averaged 58 — a 6-point (12%) gap, with Ooty the more polluted and Cuddalore the cleaner of the two. On 187 days when both cities reported, Cuddalore was cleaner on 110 of them; the average daily gap was 30 AQI points.
Seasonality & days
Cuddalore peaks in January, while Ooty peaks in May. Cuddalore logged 0% Severe days and 90.6% Good-or-Satisfactory days; Ooty was 0% Severe and 94.2% Good-or-Satisfactory. Longest clean-air streaks: Cuddalore 34 days, Ooty 22 days.
Year-over-year progress
The worst recorded day for Cuddalore reached AQI 329 at Kudikadu (TNPCB) on 2024-04-05; Ooty hit AQI 164 at Bombay Castel (TNPCB) on 2024-12-17.
Station-level disparity
Cuddalore spans 2 CPCB stations with a 11-point spread (min 46, max 57); Ooty spans 1 stations with a 0-point spread (min 59, max 59).