Ooty vs Tālcher
Side-by-side air quality comparison between Ooty and Tālcher.
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 Tālcher averaged 127 — a 69-point (119%) gap, with Tālcher the more polluted and Ooty the cleaner of the two. On 320 days when both cities reported, Ooty was cleaner on 264 of them; the average daily gap was 76 AQI points.
Seasonality & days
Ooty peaks in May, while Tālcher peaks in December. Ooty logged 0% Severe days and 94.2% Good-or-Satisfactory days; Tālcher was 0.2% Severe and 43.1% Good-or-Satisfactory. Longest clean-air streaks: Ooty 22 days, Tālcher 44 days.
Year-over-year progress
Ooty is essentially flat from 2022 to 2024; Tālcher has improved by 63 AQI points (33.2%) over the same window. The worst recorded day for Ooty reached AQI 164 at Bombay Castel (TNPCB) on 2024-12-17; Tālcher hit AQI 414 at Talcher (OSPCB) on 2018-11-27.
Station-level disparity
Ooty spans 1 CPCB stations with a 0-point spread (min 59, max 59); Tālcher spans 1 stations with a 0-point spread (min 132, max 132).