Night Light of Kempele (Northern Ostrobothnia) from space (Finland) Src. Average luminocity for 10x10km area is 39.859% and for 50x50km: 11.1169%.
Square area 10x10 km:
 6.1%
 8.86%
 4.38%
 6%
 5.24%
 2.76%
 3.43%
 6.95%
 17.33%
 23.33%
 15.62%Square area 50x50 km:
 3.1%
 2.67%
 0.92%
 1.13%
 1.04%
 0.69%
 0.53%
 1.11%
 2.52%
 5.52%
 80.77%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
65° 12' 34.6" North, 24° 48' 1" East
64° 54' 47.3" North, 25° 30' 12.2" East
64° 36' 48.1" North, 26° 12' 23.5" East
Some cities around Kempele sort by population:
• Oulu
		11.2 km =7 mi, 
351°
• Haukipudas
		30.1 km =18.7 mi, 
346°
• Kiiminki
		27.9 km =17.3 mi, 
29°
• Oulunsalo
		5 km =3.1 mi, 
298°
• Muhos
		25.9 km =16.1 mi, 
116°
• Liminka
		12.2 km =7.6 mi, 
199°
• Ii
		45.4 km =28.2 mi, 
352°
• Tyrnävä
		17.9 km =11.1 mi, 
156°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016