Fig. 3From: Temporal cross-correlations between air pollutants and outpatient visits for respiratory and circulatory system diseases in Fuzhou, ChinaERs of outpatient visits for total respiratory, lower respiratory, upper respiratory and circulatory diseases. Single air pollutant models (a) and double air pollutant models (b). The ER (%) of the y-axis indicates that a 10 μg/m3 increase in the concentration of air pollutants increases outpatient visits; “01, 02, 03, 04, 05” represent the cumulative lag effectBack to article page