Night Light of Propriá (Sergipe) from space (Brazil) Src. Average luminocity for 10x10km area is 48.3512% and for 50x50km: 9.0035%.
Square area 10x10 km:
 3.51%
 8.26%
 3.72%
 12.4%
 5.58%
 15.08%
 9.09%
 5.58%
 15.5%
 21.07%
 0.21%Square area 50x50 km:
 0.24%
 1.17%
 0.52%
 1.12%
 1.17%
 1.99%
 1.82%
 1.85%
 2.3%
 6.25%
 81.56%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
9° 31' 6.2" South, 37° 32' 36.3" West
10° 12' 40" South, 36° 50' 25" West
10° 54' 8.4" South, 36° 8' 13.8" West
Some cities around Propriá sort by population:
• Penedo
		29.1 km =18.1 mi, 
107°
• Capela
		39.9 km =24.8 mi, 
215°
• Lagoa da Canoa
		43.9 km =27.3 mi, 
14°
• Neópolis
		31 km =19.3 mi, 
112°
• Aquidabã
		21 km =13 mi, 
248°
• Girau do Ponciano
		36.4 km =22.6 mi, 
1°
• Traipu
		32.2 km =20 mi, 
326°
• Porto Real do Colégio
		2.8 km =1.7 mi, 
0°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016