Night Light of Rio Tinto (Paraíba) from space (Brazil) Src. Average luminocity for 10x10km area is 34.9113% and for 50x50km: 7.8328%.
Square area 10x10 km:
 1.52%
 3.9%
 9.09%
 6.93%
 5.63%
 5.41%
 3.9%
 3.46%
 6.28%
 32.47%
 21.43%Square area 50x50 km:
 0.16%
 0.45%
 1.42%
 0.68%
 1.25%
 1.56%
 1.66%
 1.47%
 2.09%
 5.44%
 83.82%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
6° 6' 15.8" South, 35° 47' 1.3" West
6° 48' 11" South, 35° 4' 50" West
7° 30' 2.6" South, 34° 22' 38.8" West
Some cities around Rio Tinto sort by population:
• Santa Rita
		36.4 km =22.6 mi, 
161°
• Bayeux
		39.4 km =24.5 mi, 
155°
• Cabedelo
		33.7 km =20.9 mi, 
126°
• Mamanguape
		6.4 km =4 mi, 
231°
• Mari
		38.9 km =24.2 mi, 
222°
• Montanhas
		42 km =26.1 mi, 
327°
• Jacaraú
		31.6 km =19.6 mi, 
312°
• Cruz do Espírito Santo
		37.5 km =23.3 mi, 
180°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016