Night Light of Barakaldo (Basque Country) from space (Spain) Src. Average luminocity for 10x10km area is 80.0864% and for 50x50km: 19.2188%.
Square area 10x10 km:
 30.76%
 27.12%
 6.52%
 4.55%
 7.12%
 7.27%
 2.88%
 6.52%
 6.36%
 0.91%
 0%Square area 50x50 km:
 3.13%
 3.64%
 1.86%
 1.89%
 2.38%
 2.82%
 2.26%
 2.82%
 5.61%
 13.16%
 60.43%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
43° 48' 21.5" North, 3° 41' 28.5" West
43° 17' 47" North, 2° 59' 17.3" West
42° 46' 57" North, 2° 17' 6" West
Some cities around Barakaldo sort by population:
• Bilbao
		6.3 km =3.9 mi, 
126°
• Algorta
		6.1 km =3.8 mi, 
343°
• Portugalete
		3.8 km =2.4 mi, 
316°
• Santurtzi
		5.1 km =3.2 mi, 
314°
• Leioa
		3.4 km =2.1 mi, 
359°
• Sestao
		2.1 km =1.3 mi, 
313°
• Erandio
		1.5 km =0.9 mi, 
53°
• Ortuella
		5.7 km =3.5 mi, 
286°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016