Night Light of Icó (Ceará) from space (Brazil) Src. Average luminocity for 10x10km area is 17.5628% and for 50x50km: 1.7285%.
Square area 10x10 km:
 1.52%
 1.95%
 4.55%
 2.38%
 2.6%
 0.87%
 1.95%
 3.25%
 0.87%
 5.19%
 74.89%Square area 50x50 km:
 0.16%
 0.11%
 0.34%
 0.15%
 0.32%
 0.3%
 0.33%
 0.38%
 0.06%
 0.27%
 97.58%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
5° 42' 6.9" South, 39° 33' 55.3" West
6° 24' 4" South, 38° 51' 44" West
7° 5' 57.7" South, 38° 9' 32.8" West
Some cities around Icó sort by population:
• Iguatu
		48.4 km =30.1 mi, 
275°
• Jaguaribe
		62.7 km =39 mi, 
25°
• Lavras da Mangabeira
		40.8 km =25.4 mi, 
196°
• Orós
		18.3 km =11.4 mi, 
341°
• Cedro
		31.8 km =19.8 mi, 
224°
• Barro
		35.1 km =21.8 mi, 
180°
• Aurora
		61.3 km =38.1 mi, 
190°
• Uiraúna
		51.4 km =31.9 mi, 
104°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016