优良天数率超90% 绘就长江黄河上游生态屏障新图景

Core Viewpoint - The article highlights the significant progress made in ecological protection and sustainable development in Sichuan, showcasing the province's efforts to harmonize economic growth with environmental conservation as it enters the new phase of the 14th Five-Year Plan in 2026 [2][15]. Environmental Quality Improvement - In 2025, Sichuan achieved a historic breakthrough in air quality, with PM2.5 concentration dropping below 30 micrograms per cubic meter for the first time, and further improving to 25.3 micrograms in the first ten months of 2026, marking the best performance since monitoring began [5]. - The province's good air quality days stabilized around 90%, ranking among the top in the country, with heavy pollution days reduced by 80% compared to a decade ago [5]. Water Quality Management - Sichuan has maintained a 100% compliance rate for drinking water sources at the county level and above for six consecutive years, successfully eliminating 124 urban and 284 rural black and odorous water bodies [6]. - The water quality of major rivers, including the Yangtze and Yellow Rivers, has consistently remained at Class II or above, with rural sewage treatment rates increasing from under 20% in 2019 to 78% [6]. Soil and Waste Management - The province has implemented strict controls on soil pollution sources, maintaining stable soil environmental quality, and has established over 3,400 "waste-free city cells" [9]. - The comprehensive utilization rate of construction waste has increased from 55% at the end of the 13th Five-Year Plan to 70%, leading the western region [9]. Biodiversity and Ecological Restoration - Sichuan has designated 148,700 square kilometers as ecological protection red lines, effectively safeguarding critical ecological spaces and enhancing biodiversity through the establishment of national parks and ecological corridors [10]. - The population of wild giant pandas has increased, with the number of sightings in the wild rising from 135 to 185 between 2024 and the present [10]. Green Economic Development - Sichuan has taken the lead in implementing carbon market initiatives, with cumulative trading volumes exceeding 1.2 billion yuan, and has promoted over 3,018 ecological projects to drive industrial transformation [11]. - The green low-carbon industry is thriving, with significant developments in sectors such as photovoltaic energy, drone technology, and lithium battery production, contributing to a diversified green energy industry [11]. Ecological Civilization Demonstration - By the end of 2025, Sichuan had established 43 ecological civilization demonstration zones and 14 "Green Water and Green Mountains are Golden Mountains and Silver Mountains" practice innovation bases, ranking third nationally and first in the western region [14]. - The province's efforts in ecological civilization have led to improved ecological protection and green development, with significant achievements in areas like grassland and forest conservation [14].