“十四五”时期优良天数比例创有监测以来最好水平 我国空气质量向好趋优

Core Insights - The article highlights significant improvements in air quality across the country, with a national average PM2.5 concentration of 28.0 micrograms per cubic meter in 2025, a year-on-year decrease of 4.4% [1] - The proportion of days with good air quality reached 89.3%, an increase of 1.9 percentage points compared to the previous year [1] - The "14th Five-Year Plan" period saw a cumulative reduction of PM2.5 concentration by 20% and a 25% decrease in heavy pollution days [1] Environmental Initiatives - In 2025, the Ministry of Ecology and Environment initiated actions for continuous air quality improvement, focusing on deep governance in key industries [1] - The year saw the completion of ultra-low emission transformations for 300 million tons of crude steel capacity, 270 million tons of coking capacity, and 470 million tons of cement clinker capacity [1] - Sales of new energy heavy trucks reached 182,000 units, marking a 172% year-on-year increase [1] Vehicle and Energy Transition - During the "14th Five-Year Plan" period, nearly 30 million high-emission old vehicles were eliminated [1] - Renewable energy installations exceeded 2 billion kilowatts, accounting for approximately 60% of total power installations [1] - The clean transportation ratio in key regions and industries reached 78% [1] Future Goals - The Ministry of Ecology and Environment emphasized the need to focus on the continuous reduction of PM2.5 concentration during the "15th Five-Year Plan" period [1] - There will be a strong push for structural optimization and refined pollution control, along with the implementation of key emission reduction projects and special governance actions to promote overall air quality improvement [1]