Kochi vs Surat
Side-by-side air quality comparison between Kochi and Surat.
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, Kochi averaged an AQI of 91 while Surat averaged 83 — a 8-point (10%) gap, with Kochi the more polluted and Surat the cleaner of the two. On 312 days when both cities reported, Kochi was cleaner on 192 of them; the average daily gap was 62 AQI points.
Seasonality & days
Kochi peaks in January, while Surat peaks in November. Kochi logged 0% Severe days and 70.9% Good-or-Satisfactory days; Surat was 0% Severe and 55.9% Good-or-Satisfactory. Longest clean-air streaks: Kochi 80 days, Surat 55 days.
Year-over-year progress
Kochi has worsened by 7 AQI points (8.3%) from 2020 to 2024; Surat has improved by 139 AQI points (62.6%) over the same window. The worst recorded day for Kochi reached AQI 293 at Vyttila Kochi (PCB) on 2022-12-08; Surat hit AQI 384 at Science Center (SMC) on 2023-08-19.
Station-level disparity
Kochi spans 1 CPCB stations with a 0-point spread (min 88, max 88); Surat spans 1 stations with a 0-point spread (min 123, max 123).