陕西发布上半年生态环境“成绩单”

Core Viewpoint - The ecological environment quality in Shaanxi Province has shown continuous improvement in the first half of 2025, with better air quality, stable soil quality, and overall good river water quality [2][11]. Group 1: Air Quality Improvement - The air quality index for the 10 national monitoring cities in Shaanxi improved by 2.9% year-on-year, with a comprehensive index of 4.08 [14]. - The average concentration of PM2.5 improved by 3.2% year-on-year, with the five cities in the Guanzhong area showing a comprehensive index of 4.48, improving by 4.7% [14]. - The number of good air quality days increased by 46 days compared to the same period last year, averaging 119 good days [14]. Group 2: Water Quality Management - In the Han-Dan River basin, all 35 national control sections maintained water quality at Class II or above, with 12 sections achieving Class I quality, accounting for 34.3% [15]. - The Han River, a major tributary of the Yangtze River, is crucial for the South-to-North Water Diversion Project, and efforts have been made to ensure its water quality remains stable [15][16]. - A total of 31 wastewater treatment plants in the basin achieved Class A discharge standards, with 1,053 administrative villages completing wastewater treatment [15]. Group 3: Soil and Groundwater Management - The soil and groundwater quality in Shaanxi has remained stable, with effective management of contaminated farmland and key construction sites [17]. - A comprehensive plan for soil pollution source prevention has been developed, focusing on agricultural land and involving 61 enterprises in pollution source remediation [17][18]. - The province has initiated investigations and remediation plans for groundwater pollution in chemical parks, with 20 parks starting their assessment and remediation processes [18]. Group 4: Industry and Emission Control - The province has eliminated over 30,000 old diesel trucks and has a significant number of new energy vehicles, ranking 14th nationally in terms of ownership [13]. - 82% of the steel industry capacity has completed ultra-low emission transformations, with 110 out of 268 planned modifications in the cement industry already completed [13][14]. - The province has implemented a performance upgrade program for enterprises, resulting in 43 new enterprises achieving B-level or above performance ratings this year [13].