Night Light of São João (Pernambuco) from space (Brazil) Src. Average luminocity for 10x10km area is 4.0519% and for 50x50km: 3.5202%.
Square area 10x10 km:
 0%
 0.87%
 0%
 0%
 0.87%
 0.87%
 1.3%
 1.3%
 0%
 0.87%
 93.94%Square area 50x50 km:
 0.41%
 0.71%
 0.35%
 0.3%
 0.45%
 0.65%
 0.37%
 0.45%
 0.37%
 2.72%
 93.22%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
8° 10' 48.8" South, 37° 4' 11.3" West
8° 52' 32" South, 36° 22' 0" West
9° 34' 10.5" South, 35° 39' 48.8" West
Some cities around São João sort by population:
• Garanhuns
		14.9 km =9.3 mi, 
267°
• Bom Conselho
		47.5 km =29.5 mi, 
226°
• Lajedo
		24.1 km =15 mi, 
12°
• Cachoeirinha
		45.7 km =28.4 mi, 
18°
• Canhotinho
		19.3 km =12 mi, 
92°
• Quipapá
		39.4 km =24.5 mi, 
82°
• Santana do Mundaú
		36.2 km =22.5 mi, 
153°
• Caetés
		30.3 km =18.8 mi, 
292°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016