Night Light of Guaiúba (Ceará) from space (Brazil) Src. Average luminocity for 10x10km area is 12.7814% and for 50x50km: 29.3688%.
Square area 10x10 km:
 0%
 0.87%
 0.22%
 1.52%
 3.9%
 3.9%
 2.16%
 1.3%
 1.52%
 13.85%
 70.78%Square area 50x50 km:
 5.6%
 7.57%
 2.98%
 3.13%
 4.06%
 4.67%
 3.38%
 4.04%
 5.33%
 9.14%
 50.1%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
3° 20' 17" South, 39° 20' 25.3" West
4° 2' 23" South, 38° 38' 14" West
4° 44' 26.8" South, 37° 56' 2.8" West
Some cities around Guaiúba sort by population:
• Maracanaú
		18.2 km =11.3 mi, 
4°
• Aquiraz
		31.3 km =19.4 mi, 
60°
• Pacatuba
		6.5 km =4 mi, 
16°
• Horizonte
		18.3 km =11.4 mi, 
111°
• Pacajus
		24.5 km =15.2 mi, 
126°
• Eusébio
		26.6 km =16.5 mi, 
51°
• Itaitinga
		14.4 km =8.9 mi, 
57°
• Redenção
		23.1 km =14.4 mi, 
206°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016