Figure 1. Geographical distribution of the study areas and air monitoring stations.a,b aStudy areas are shaded in black (urban) or gray (rural). bThe name and boundaries of each area are those at the time of the baseline survey. cThere were 2 air monitoring stations in Inuyama city. dThe air monitoring station for Nose town is located to the south. eThe air monitoring station for Kanan town is located to the west.
