Ooty vs Sirohi
Side-by-side air quality comparison between Ooty and Sirohi.
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 Sirohi averaged 89 — a 31-point (53%) gap, with Sirohi the more polluted and Ooty the cleaner of the two. On 386 days when both cities reported, Ooty was cleaner on 321 of them; the average daily gap was 39 AQI points.
Seasonality & days
Ooty peaks in May, while Sirohi peaks in December. Ooty logged 0% Severe days and 94.2% Good-or-Satisfactory days; Sirohi was 0% Severe and 69.2% Good-or-Satisfactory. Longest clean-air streaks: Ooty 22 days, Sirohi 41 days.
Year-over-year progress
Ooty is essentially flat from 2022 to 2024; Sirohi has improved by 4 AQI points (4.3%) over the same window. The worst recorded day for Ooty reached AQI 164 at Bombay Castel (TNPCB) on 2024-12-17; Sirohi hit AQI 335 at Vedhaynath Colony (RSPCB) on 2024-12-26.
Station-level disparity
Ooty spans 1 CPCB stations with a 0-point spread (min 59, max 59); Sirohi spans 1 stations with a 0-point spread (min 90, max 90).