Night Light of Campo Maior (Piauí) from space (Brazil) Src. Average luminocity for 10x10km area is 26.4339% and for 50x50km: 1.4831%.
Square area 10x10 km:
 3.51%
 6.82%
 2.07%
 2.69%
 3.1%
 3.31%
 2.48%
 3.1%
 2.89%
 26.24%
 43.8%Square area 50x50 km:
 0.15%
 0.28%
 0.12%
 0.11%
 0.15%
 0.28%
 0.18%
 0.14%
 0.31%
 1.17%
 97.1%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
4° 7' 36.5" South, 42° 52' 18.3" West
4° 49' 40" South, 42° 10' 7" West
5° 31' 40.9" South, 41° 27' 55.8" West
Some cities around Campo Maior sort by population:
• Teresina
		75.9 km =47.2 mi, 
247°
• Timon
		79.7 km =49.5 mi, 
248°
• Piripiri
		75.4 km =46.9 mi, 
35°
• Altos
		39.9 km =24.8 mi, 
234°
• Barras
		66.3 km =41.2 mi, 
347°
• José de Freitas
		45.8 km =28.5 mi, 
279°
• Demerval Lobão
		81.5 km =50.6 mi, 
223°
• Beneditinos
		72.6 km =45.1 mi, 
197°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016