Fig. 1
From: Do green spaces affect the spatiotemporal changes of PM2.5 in Nanjing?
Spatial distribution of the nine air quality monitoring stations in Nanjing, China. The land cover map was downloaded from (http://www.globallandcover.com/GLC30Download/index.aspx). Daily PM2.5 concentration (μg m−3) was recorded from July 11, 2013 to May 31, 2015 (total = 534 days) at nine stations: (A) the Olympic Stadium; (B) Caochangmen; (C) Pukouqu; (D) Ruijinlu; (E) Shanxilu; (F) Xianlindaxuecheng; (G) Xuanwuhu; (H) Zhonghuamen; and (I) Maigaoqiao