Night Light of Purmerend (North Holland) from space (Netherlands) Src. Average luminocity for 10x10km area is 30.2394% and for 50x50km: 33.9251%.
Square area 10x10 km:
 4.76%
 4.76% 7.41%
 7.41% 4.5%
 4.5% 1.32%
 1.32% 1.98%
 1.98% 1.32%
 1.32% 3.31%
 3.31% 0.66%
 0.66% 4.76%
 4.76% 54.5%
 54.5% 15.48%
 15.48%Square area 50x50 km:
 9.23%
 9.23% 8.35%
 8.35% 2.67%
 2.67% 2.95%
 2.95% 3.31%
 3.31% 3.1%
 3.1% 3.41%
 3.41% 4.42%
 4.42% 8.64%
 8.64% 15.94%
 15.94% 37.99%
 37.99%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
52° 55' 51.3" North, 4° 15' 23.8" East
52° 30' 18" North, 4° 57' 35" East
52° 4' 29.7" North, 5° 39' 46.3" East
Some cities around Purmerend sort by population:
• Amsterdam
		15.3 km =9.5 mi,  198°
198°
• Zaanstad
		11.5 km =7.1 mi,  239°
239°
• Zaandam
		11.7 km =7.3 mi,  230°
230°
• Hoorn
		16.7 km =10.4 mi,  23°
23°
• Volendam
		7.6 km =4.7 mi,  98°
98°
• Uitgeest
		17.1 km =10.6 mi,  279°
279°
• Zaandijk
		10.9 km =6.8 mi,  252°
252°
• Edam
		6 km =3.7 mi,  82°
82°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016