Kochi vs Patna
Side-by-side air quality comparison between Kochi and Patna.
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 Patna averaged 172 — a 81-point (89%) gap, with Patna the more polluted and Kochi the cleaner of the two. On 1198 days when both cities reported, Kochi was cleaner on 1093 of them; the average daily gap was 140 AQI points.
Seasonality & days
Kochi peaks in January, while Patna peaks in December. Kochi logged 0% Severe days and 70.9% Good-or-Satisfactory days; Patna was 7.5% Severe and 19.400000000000002% Good-or-Satisfactory. Longest clean-air streaks: Kochi 80 days, Patna 30 days.
Year-over-year progress
Kochi has worsened by 7 AQI points (8.3%) from 2020 to 2024; Patna has improved by 40 AQI points (18.9%) over the same window. The worst recorded day for Kochi reached AQI 293 at Vyttila Kochi (PCB) on 2022-12-08; Patna hit AQI 491 at IGSC Planetarium Complex (BSPCB) on 2016-01-01.
Station-level disparity
Kochi spans 1 CPCB stations with a 0-point spread (min 88, max 88); Patna spans 6 stations with a 39-point spread (min 154, max 193).