Night Light of Zaandam (North Holland) from space (Netherlands) Src. Average luminocity for 10x10km area is 71.9003% and for 50x50km: 35.6441%.
Square area 10x10 km:
 28.66%
 28.66% 21.72%
 21.72% 5.93%
 5.93% 2.65%
 2.65% 4.04%
 4.04% 3.79%
 3.79% 6.69%
 6.69% 12.88%
 12.88% 9.47%
 9.47% 4.17%
 4.17% 0%
 0%Square area 50x50 km:
 9.93%
 9.93% 8.86%
 8.86% 2.69%
 2.69% 2.91%
 2.91% 3.76%
 3.76% 3.3%
 3.3% 3.6%
 3.6% 4.99%
 4.99% 9.22%
 9.22% 14.34%
 14.34% 36.4%
 36.4%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
52° 51' 54.3" North, 4° 7' 23.9" East
52° 26' 18.7" North, 4° 49' 35.1" East
52° 0' 28.2" North, 5° 31' 46.4" East
Some cities around Zaandam sort by population:
• Amsterdam
		8.4 km =5.2 mi,  149°
149°
• Zaanstad
		1.8 km =1.1 mi,  331°
331°
• Purmerend
		11.7 km =7.3 mi,  50°
50°
• Velsen-Zuid
		12.2 km =7.6 mi,  281°
281°
• Beverwijk
		12.5 km =7.8 mi,  293°
293°
• Heemskerk
		13.2 km =8.2 mi,  307°
307°
• Diemen
		14.4 km =8.9 mi,  139°
139°
• Uitgeest
		12.8 km =8 mi,  321°
321°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016