Night Light of São Borja (Rio Grande do Sul) from space (Brazil) Src. Average luminocity for 10x10km area is 34.6761% and for 50x50km: 3.0075%.
Square area 10x10 km:
 4.17%
 7.39%
 6.63%
 3.22%
 5.49%
 1.89%
 3.41%
 5.68%
 2.08%
 39.77%
 20.27%Square area 50x50 km:
 0.31%
 0.44%
 0.37%
 0.23%
 0.46%
 0.31%
 0.46%
 0.43%
 0.43%
 3.57%
 92.99%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
28° 2' 30.4" South, 56° 42' 27.3" West
28° 39' 38" South, 56° 0' 16" West
29° 16' 32.6" South, 55° 18' 4.8" West
Some cities around São Borja sort by population:
• Itaqui
		74.3 km =46.2 mi, 
225°
• São Luiz Gonzaga
		105.7 km =65.7 mi, 
74°
• Gobernador Virasora, AR
		67.9 km =42.2 mi, 
357°
• Santo Tomé, AR
		12.9 km =8 mi, 
343°
• La Cruz, AR
		84.4 km =52.4 mi, 
227°
• Alvear, AR
		72 km =44.7 mi, 
227°
• Concepción de la Sierra, AR
		89 km =55.3 mi, 
32°
• San José, AR
		101.4 km =63 mi, 
12°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016