我国更新空气质量标准 分两阶段落实更严要求
Sou Hu Cai Jing·2026-02-26 08:14
Core Viewpoint - The Ministry of Ecology and Environment and the State Administration for Market Regulation have jointly released a revised "Ambient Air Quality Standards," adjusting the annual concentration limits for PM2.5 and PM10 to 25 micrograms per cubic meter and 50 micrograms per cubic meter, respectively [1] Group 1 - The new standards will be implemented in two phases, with a transitional phase from March 1, 2026, to December 31, 2030 [1] - Full enforcement of the new standards will begin on January 1, 2031 [1]