Delhi vs Kochi
Side-by-side air quality comparison between Delhi 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, Delhi averaged an AQI of 210 while Kochi averaged 91 — a 119-point (131%) gap, with Delhi the more polluted and Kochi the cleaner of the two. On 1199 days when both cities reported, Kochi was cleaner on 1186 of them; the average daily gap was 197 AQI points.
Seasonality & days
Delhi peaks in November, while Kochi peaks in January. Delhi logged 18.7% Severe days and 1.7% Good-or-Satisfactory days; Kochi was 0% Severe and 70.9% Good-or-Satisfactory. Longest clean-air streaks: Delhi 3 days, Kochi 80 days.
Year-over-year progress
Delhi has improved by 42 AQI points (16.7%) from 2016 to 2024; Kochi has worsened by 7 AQI points (8.3%) over the same window. The worst recorded day for Delhi reached AQI 500 at Ashok Vihar (DPCC) on 2024-11-18; Kochi hit AQI 293 at Vyttila Kochi (PCB) on 2022-12-08.
Station-level disparity
Delhi spans 39 CPCB stations with a 84-point spread (min 178, max 262); Kochi spans 1 stations with a 0-point spread (min 88, max 88).