Night Light of Alcântara (Maranhão) from space (Brazil) Src. Average luminocity for 10x10km area is 7.2251% and for 50x50km: 13.6968%.
Square area 10x10 km:
 0%
 0%
 3.25%
 0.22%
 0.87%
 1.95%
 1.52%
 2.38%
 0.22%
 0.43%
 89.18%Square area 50x50 km:
 5.25%
 3.5%
 2.35%
 0.46%
 0.41%
 0.79%
 1.2%
 1.23%
 1.7%
 2.54%
 80.57%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
1° 42' 5.1" South, 45° 7' 11.4" West
2° 24' 14.8" South, 44° 25' 0.1" West
3° 6' 23.1" South, 43° 42' 48.9" West
Some cities around Alcântara sort by population:
• São Luís
		18.8 km =11.7 mi, 
137°
• Pinheiro
		75.1 km =46.7 mi, 
260°
• São José de Ribamar
		43.9 km =27.3 mi, 
113°
• Cururupu
		81.3 km =50.5 mi, 
321°
• São Bento
		55.4 km =34.4 mi, 
234°
• Santa Helena
		100 km =62.1 mi, 
281°
• Bequimão
		40.9 km =25.4 mi, 
263°
• Anajatuba
		98.3 km =61.1 mi, 
193°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016