Night Light of Igrejinha (Rio Grande do Sul) from space (Brazil) Src. Average luminocity for 10x10km area is 35.1193% and for 50x50km: 11.8561%.
Square area 10x10 km:
 2.84%
 3.79%
 5.11%
 3.41%
 6.25%
 6.44%
 4.55%
 6.63%
 19.13%
 35.8%
 6.06%Square area 50x50 km:
 1.16%
 1.51%
 1.53%
 1.7%
 1.4%
 1.82%
 1.46%
 2.12%
 4.04%
 9.8%
 73.46%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
28° 57' 39.9" South, 51° 29' 36.3" West
29° 34' 28" South, 50° 47' 25" West
30° 11' 2.8" South, 50° 5' 13.8" West
Some cities around Igrejinha sort by population:
• Novo Hamburgo
		34.9 km =21.7 mi, 
250°
• Sapiranga
		22.1 km =13.7 mi, 
251°
• Parobé
		7.4 km =4.6 mi, 
215°
• Taquara
		8.5 km =5.3 mi, 
173°
• Canela
		24.4 km =15.2 mi, 
354°
• Três Coroas
		6.5 km =4 mi, 
10°
• Rolante
		22.4 km =13.9 mi, 
112°
• São Francisco de Paula
		24.4 km =15.2 mi, 
54°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016