Night Light of Sorbiers (Auvergne-Rhône-Alpes) from space (France) Src. Average luminocity for 10x10km area is 41.5508% and for 50x50km: 15.0642%.
Square area 10x10 km:
 11.27%
 11.11%
 1.9%
 1.11%
 3.17%
 2.7%
 6.67%
 6.19%
 18.89%
 21.9%
 15.08%Square area 50x50 km:
 2.14%
 2.75%
 1.2%
 1.4%
 1.67%
 1.73%
 2.15%
 2.17%
 5.65%
 11.88%
 67.25%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
45° 58' 54.7" North, 3° 44' 18.6" East
45° 29' 28" North, 4° 26' 29.9" East
44° 59' 45.8" North, 5° 8' 41.1" East
Some cities around Sorbiers sort by population:
• Saint-Étienne
		7.5 km =4.7 mi, 
212°
• Saint-Chamond
		5.8 km =3.6 mi, 
106°
• Villars
		7.2 km =4.5 mi, 
248°
• La Talaudière
		2.1 km =1.3 mi, 
215°
• Saint-Jean-Bonnefonds
		3.9 km =2.4 mi, 
179°
• Saint-Priest-en-Jarez
		5.4 km =3.4 mi, 
249°
• Saint-Genest-Lerpt
		9.6 km =6 mi, 
236°
• La Grand-Croix
		9.3 km =5.8 mi, 
81°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016