Night Light of Vlaardingen (South Holland) from space (Netherlands) Src. Average luminocity for 10x10km area is 91.0265% and for 50x50km: 49.9416%.
Square area 10x10 km:
 44.32%
 44.32% 28.28%
 28.28% 2.27%
 2.27% 9.22%
 9.22% 15.15%
 15.15% 0.76%
 0.76% 0%
 0% 0%
 0% 0%
 0% 0%
 0% 0%
 0%Square area 50x50 km:
 21.15%
 21.15% 12.73%
 12.73% 3.13%
 3.13% 3.36%
 3.36% 4.62%
 4.62% 3.5%
 3.5% 3.22%
 3.22% 4.77%
 4.77% 6.3%
 6.3% 8.18%
 8.18% 29.05%
 29.05%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
52° 20' 38.9" North, 3° 38' 18.7" East
51° 54' 45" North, 4° 20' 30" East
51° 28' 36" North, 5° 2' 41.2" East
Some cities around Vlaardingen sort by population:
• Schiedam
		3.3 km =2.1 mi,  77°
77°
• Spijkenisse
		7.6 km =4.7 mi,  186°
186°
• Maassluis
		6.4 km =4 mi,  280°
280°
• Rhoon
		8.2 km =5.1 mi,  137°
137°
• Rozenburg
		6.5 km =4 mi,  261°
261°
• Spangen
		6.4 km =4 mi,  85°
85°
• Delfshaven
		7.7 km =4.8 mi,  96°
96°
• Overschie
		6.6 km =4.1 mi,  63°
63°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016