Figure 4. Diurnal profile of Spearman’s correlation between the NR DRIVE site and the other sites from September 8, 2014 to January 5, 2015.
NR GIT – EPA Near-road Monitoring (3m), NDO - Near Dorm outside (60 m), NDI - Near Dorm inside (60 m), FDO - Far Dorm outside (1.4 km), FDI - Far Dorm inside (1.4 km), UB - Urban background (2.3 km)