Night Light of Porta (Catalonia) from space (Spain) Src. Average luminocity for 10x10km area is 90.6514% and for 50x50km: 45.1814%.
Square area 10x10 km:
 48.47%
 23.64%
 2.55%
 9.69%
 11.56%
 3.06%
 0.85%
 0.17%
 0%
 0%
 0%Square area 50x50 km:
 11.79%
 10.73%
 4.39%
 5.37%
 8.21%
 6.11%
 3.75%
 4.28%
 7.95%
 8.23%
 29.18%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
41° 57' 35.6" North, 1° 28' 32.6" East
41° 26' 5.6" North, 2° 10' 43.8" East
40° 54' 20.2" North, 2° 52' 55.1" East
Some cities around Porta sort by population:
• Nou Barris
		0.8 km =0.5 mi, 
350°
• Sant Andreu
		0.9 km =0.6 mi, 
86°
• Barri de Sant Andreu
		1 km =0.6 mi, 
76°
• la Prosperitat
		0.9 km =0.6 mi, 
16°
• Vilapicina i la Torre Llobeta
		0.8 km =0.5 mi, 
209°
• el TurĂ³ de la Peira
		0.9 km =0.6 mi, 
250°
• la Guineueta
		0.9 km =0.6 mi, 
297°
• Verdun
		0.9 km =0.6 mi, 
343°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016