Night Light of Porto Calvo (Alagoas) from space (Brazil) Src. Average luminocity for 10x10km area is 11.4719% and for 50x50km: 3.7018%.
Square area 10x10 km:
 0%
 3.03%
 1.3%
 1.73%
 0.87%
 2.38%
 1.08%
 3.46%
 2.38%
 0.65%
 83.12%Square area 50x50 km:
 0.1%
 0.46%
 0.4%
 0.48%
 0.59%
 0.76%
 0.44%
 0.93%
 0.68%
 1.5%
 93.68%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
8° 20' 59.9" South, 36° 6' 5.3" West
9° 2' 42" South, 35° 23' 54" West
9° 44' 19.3" South, 34° 41' 42.8" West
Some cities around Porto Calvo sort by population:
• Barreiros
		34.3 km =21.3 mi, 
42°
• São Luís do Quitunde
		35.3 km =21.9 mi, 
210°
• Matriz de Camaragibe
		19 km =11.8 mi, 
231°
• Água Preta
		40.2 km =25 mi, 
338°
• Maragogi
		19.6 km =12.2 mi, 
79°
• Colônia Leopoldina
		38.9 km =24.2 mi, 
292°
• São José da Coroa Grande
		32 km =19.9 mi, 
59°
• Novo Lino
		30.9 km =19.2 mi, 
297°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016