陕西区域环境空气质量时空特征

张佳音, 郭云飞, 肖舜, 杜涛, 郑淏, 刘焕武, 王蕾, 何延新

The temporal and spatial characteristics of ambient air quality in Shaanxi

Jiayin Zhang, Yunfei Guo, Shun Xiao, Tao Du, Hao Zheng, Huanwu Liu, Lei Wang, Yanxin He

图3 2017—2021年陕西区域环境空气质量综合指数逐月变化

Fig.3 Monthly variation of comprehensive index of environmental air quality in different regions of Shaanxi from 2017 to 2021