Night Light of Cambridge (Massachusetts) from space (United States) Src. Average luminocity for 10x10km area is 99.0016% and for 50x50km: 56.5946%.
Square area 10x10 km:
 83.97%
 83.97% 12.06%
 12.06% 3.02%
 3.02% 0.95%
 0.95% 0%
 0% 0%
 0% 0%
 0% 0%
 0% 0%
 0% 0%
 0% 0%
 0%Square area 50x50 km:
 13.92%
 13.92% 12.18%
 12.18% 6.63%
 6.63% 7.71%
 7.71% 10.43%
 10.43% 9.2%
 9.2% 5.51%
 5.51% 4.58%
 4.58% 7.43%
 7.43% 11.81%
 11.81% 10.59%
 10.59%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
42° 53' 32.6" North, 71° 48' 31.5" West
42° 22' 30.4" North, 71° 6' 20.2" West
41° 51' 12.7" North, 70° 24' 9" West
Some cities around Cambridge sort by population:
• Boston
		4.2 km =2.6 mi,  116°
116°
• Somerville
		1.5 km =0.9 mi,  19°
19°
• Malden
		6.4 km =4 mi,  30°
30°
• Brookline
		5 km =3.1 mi,  194°
194°
• Medford
		4.8 km =3 mi,  359°
359°
• Everett
		5.7 km =3.5 mi,  49°
49°
• Arlington
		6.1 km =3.8 mi,  317°
317°
• Chelsea
		6.3 km =3.9 mi,  72°
72°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016