Dehradun vs Kochi
Side-by-side air quality comparison between Dehradun and Kochi.
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 Kochi averaged 91 — a 15-point (16%) gap, with Dehradun the more polluted and Kochi the cleaner of the two. On 414 days when both cities reported, Kochi was cleaner on 220 of them; the average daily gap was 43 AQI points.
Seasonality & days
Both cities see their worst air in January on average. Dehradun logged 0% Severe days and 62.8% Good-or-Satisfactory days; Kochi was 0% Severe and 70.9% Good-or-Satisfactory. Longest clean-air streaks: Dehradun 41 days, Kochi 80 days.
Year-over-year progress
Dehradun has worsened by 19 AQI points (21.8%) from 2022 to 2024; Kochi has worsened by 7 AQI points (8.3%) over the same window. The worst recorded day for Dehradun reached AQI 327 at Doon University (UKPCB) on 2024-01-19; Kochi hit AQI 293 at Vyttila Kochi (PCB) on 2022-12-08.
Station-level disparity
Dehradun spans 1 CPCB stations with a 0-point spread (min 98, max 98); Kochi spans 1 stations with a 0-point spread (min 88, max 88).