Dehradun vs Ooty
Side-by-side air quality comparison between Dehradun 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, Dehradun averaged an AQI of 106 while Ooty averaged 58 — a 48-point (83%) gap, with Dehradun the more polluted and Ooty the cleaner of the two. On 481 days when both cities reported, Ooty was cleaner on 371 of them; the average daily gap was 52 AQI points.
Seasonality & days
Dehradun peaks in January, while Ooty peaks in May. Dehradun logged 0% Severe days and 62.8% Good-or-Satisfactory days; Ooty was 0% Severe and 94.2% Good-or-Satisfactory. Longest clean-air streaks: Dehradun 41 days, Ooty 22 days.
Year-over-year progress
Dehradun has worsened by 19 AQI points (21.8%) from 2022 to 2024; Ooty is essentially flat over the same window. The worst recorded day for Dehradun reached AQI 327 at Doon University (UKPCB) on 2024-01-19; Ooty hit AQI 164 at Bombay Castel (TNPCB) on 2024-12-17.
Station-level disparity
Dehradun spans 1 CPCB stations with a 0-point spread (min 98, max 98); Ooty spans 1 stations with a 0-point spread (min 59, max 59).