Figure 12.
The map outlines Nahouri with multiple monitoring locations marked as points across the area. A legend labelled mean A O D value indicates a range from 0.419965 as the low value to 0.527633 as the high value. A north arrow appears in the upper left corner. A distance scale at the bottom shows 0, 15, and 30 kilometres. An inset pie chart presents the proportions of aerosol source types. Mixed accounts for 44 percent. Desert dust accounts for 20.7 percent. Clean marine accounts for 13.5 percent. Clean continental accounts for 12.5 percent. Biomass burning and urban industrial sources account for 9.3 percent.Spatial variability and types of AOD in the Nahouri province from 2000 to 2020. The black dots on the map represent the locations of residential areas. The average AOD values in the Nahouri province range from 0.42 to 0.53