河北省大气污染时空变化特征及其影响因素

何振芳, 郭庆春, 刘加珍, 张莹莹, 刘杰, 丁航

Spatio-temporal variation characteristics of air pollution and influencing factors in Hebei province

HE Zhen-fang, GUO Qing-chun, LIU Jia-zhen, ZHANG Ying-ying, LIU Jie, DING Hang

图6 河北省GDP（亿元）与AQI的关系

Fig. 6 The relationship between GDP (billion yuan) and AQI in Hebei province