优良天数率稳超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 transformation of ecological advantages into development momentum as the province enters 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 [6]. - The province maintains a good air quality rate of around 90%, ranking among the top in the country, with heavy pollution days reduced by 80% compared to a decade ago [6]. Water Quality Achievements - Sichuan has maintained a 100% compliance rate for drinking water sources at the county level and above for six consecutive years, with all urban and rural black and odorous water bodies eliminated [7]. - The water quality of major rivers, including the Yangtze and Yellow Rivers, remains stable at Class II or above, with rural sewage treatment rates increasing from under 20% in 2019 to 78% [7]. Soil and Waste Management - The province has implemented strict controls on soil pollution sources, maintaining stable soil quality and achieving a construction waste recycling rate of 70%, the highest in Western China [9]. - Sichuan has established over 3,400 "waste-free city cells," promoting resource recycling and waste reduction [9]. Biodiversity and Ecological Restoration - Since the 14th Five-Year Plan, Sichuan has designated 148,700 square kilometers as ecological protection red lines, significantly enhancing biodiversity and protecting species such as the giant panda [11]. - The population of wild giant pandas has increased, with monitoring showing a rise from 135 individuals to 185 by 2024 [11]. Green Economic Development - Sichuan has taken the lead in implementing carbon market initiatives, with a cumulative trading volume exceeding 1.2 billion yuan, and is actively promoting over 3,018 ecological projects [12]. - The green low-carbon industry is thriving, with significant developments in sectors such as photovoltaic, drone, and lithium battery industries, contributing to a diversified green energy landscape [12]. Ecological Civilization Demonstration - By the end of 2025, Sichuan had established 43 ecological civilization demonstration zones, ranking third nationally and first in the west, promoting ecological protection and green development [14]. - The province's efforts in ecological civilization have led to improved vegetation coverage and successful cross-provincial ecological collaborations [14].