Recently, Chongqing issued the Action Plan for Gas Control in the Winter and Spring of 2026-2027 (hereinafter referred to as the Action Plan for Gas Control in the Spring of 2026-2027), which is clear from the date of issuance of the Plan to February 28, 2027. Focus on six special actions, namely, closing of key tasks, control of open-air incineration, reduction of fireworks and firecrackers, joint law enforcement and systematic assistance, response to heavily polluted weather, joint prevention and control of Sichuan and Chongqing, and peak staggering and emission reduction, to implement differentiated control, focus on improving the ability of fine particulate matter (PM) pollution prevention and disposal, and continuously improve regional air quality.