Night Light of Le Puy-en-Velay (Auvergne-Rhône-Alpes) from space (France) Src. Average luminocity for 10x10km area is 22.3045% and for 50x50km: 1.528%.
Square area 10x10 km:
 2.12%
 6.52%
 1.67%
 0.91%
 3.79%
 2.27%
 2.73%
 0.61%
 4.39%
 21.82%
 53.18%Square area 50x50 km:
 0.09%
 0.3%
 0.07%
 0.11%
 0.23%
 0.27%
 0.27%
 0.26%
 0.37%
 1.07%
 96.97%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
45° 32' 17.9" North, 3° 10' 55.6" East
45° 2' 37.2" North, 3° 53' 6.8" East
44° 32' 40.9" North, 4° 35' 18.1" East
Some cities around Le Puy-en-Velay sort by population:
• Firminy
		49.8 km =30.9 mi, 
39°
• Le Chambon-Feugerolles
		51.6 km =32.1 mi, 
41°
• Unieux
		50.2 km =31.2 mi, 
37°
• Monistrol-sur-Loire
		35.7 km =22.2 mi, 
39°
• Brioude
		48.1 km =29.9 mi, 
305°
• Yssingeaux
		21.7 km =13.5 mi, 
59°
• Sainte-Sigolène
		35.2 km =21.9 mi, 
50°
• Aurec-sur-Loire
		43.9 km =27.3 mi, 
34°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016