The third-phase report of the Chinese City Carbon Peak and Carbon Neutrality Index systematically evaluates the progress of 110 key cities toward their "Dual Carbon" action across three dimensions: climate ambition, low-carbon status, and emission trends. Beijing claimed the top spot with outstanding performance in climate ambition and low-carbon status, followed by Chengdu, Ningbo, and Shenzhen ranking second to fourth respectively. Cities including Kunming, Shanghai, and Guangzhou also secured positions in the top ten.