Night Light of Aarau (Aargau) from space (Switzerland) Src. Average luminocity for 10x10km area is 37.4517% and for 50x50km: 15.2672%.
Square area 10x10 km:
 5.54%
 8.38%
 2.56%
 4.4%
 6.11%
 2.98%
 5.68%
 2.84%
 17.19%
 31.53%
 12.78%Square area 50x50 km:
 1.26%
 2.04%
 1.08%
 1.56%
 2.49%
 2.2%
 2.26%
 2.15%
 3.84%
 18.7%
 62.41%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
47° 51' 59" North, 7° 20' 28" East
47° 23' 33.1" North, 8° 2' 39.2" East
46° 54' 51.8" North, 8° 44' 50.5" East
Some cities around Aarau sort by population:
• Olten
		11.6 km =7.2 mi, 
245°
• Suhr
		3.5 km =2.2 mi, 
130°
• Oberentfelden
		4 km =2.5 mi, 
178°
• Lenzburg
		9.9 km =6.2 mi, 
92°
• Buchs
		2.9 km =1.8 mi, 
87°
• Gränichen
		5.7 km =3.5 mi, 
130°
• Trimbach
		12.2 km =7.6 mi, 
255°
• Küttigen
		2.5 km =1.6 mi, 
9°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016