“蓝天”成色如何？万亿GDP城市PM2.5优于全国平均水平

Core Insights - The Ministry of Ecology and Environment announced that by 2025, China's air quality will reach its historical best, with PM2.5 average concentration at 28 micrograms per cubic meter, good days ratio at 89.3%, and heavy pollution days ratio at 0.9% [1][2] Group 1: Air Quality Improvement - By 2025, the average PM2.5 concentration in cities at or above the prefecture level will be 28.0 micrograms per cubic meter, with a good days ratio of 89.3% and heavy pollution days ratio of 0.9%, all representing the best levels recorded [1] - The number of cities meeting air quality standards increased from 206 to 246 during the 14th Five-Year Plan, marking a 20% increase [2] Group 2: Economic Growth and Air Quality - During the 14th Five-Year Plan, China's GDP grew by 30%, while PM2.5 concentration decreased by 20%, demonstrating a successful synergy between economic growth and air quality improvement [2] - In cities with a GDP exceeding 1 trillion yuan, the average PM2.5 concentration is 27.8 micrograms per cubic meter, which is better than the national average and shows significant improvement during the 14th Five-Year Plan [2] Group 3: Beijing's Achievements - Beijing's PM2.5 concentration decreased from 89.5 micrograms per cubic meter in 2013 to 27 micrograms per cubic meter in 2025, achieving a significant milestone in air pollution control [2]