2025年1-6月城市空气质量简报_12页_3mb

The content provides 2025 year 1-6 month air quality data for major Chinese cities, based on national environmental monitoring stations. It includes pollutants such as PM2.5 (PMes), PM10 (PM10), SO2, NO2, and CO. Regionally, northern cities like Beijing and Tianjin show lower PM concentrations, while industrial areas in the north have higher NO2 levels. Southern cities generally report lower pollution, with CO being a notable concern in some urban centers. The data highlights variability in air quality across provinces, with specific city values showing trends in PM and NO2 concentrations, while SO2 and CO levels differ based on industrial activity and geographical factors.