Night Light of Chicago Loop (Illinois) from space (United States) Src. Average luminocity for 10x10km area is 83.9111% and for 50x50km: 57.0983%.
Square area 10x10 km:
 62.06%
 62.06% 7.78%
 7.78% 0%
 0% 0.63%
 0.63% 5.08%
 5.08% 7.3%
 7.3% 8.57%
 8.57% 5.71%
 5.71% 2.54%
 2.54% 0.32%
 0.32% 0%
 0%Square area 50x50 km:
 35.81%
 35.81% 11.87%
 11.87% 3.62%
 3.62% 2.29%
 2.29% 1.69%
 1.69% 2.03%
 2.03% 2.19%
 2.19% 1.73%
 1.73% 2.09%
 2.09% 3.18%
 3.18% 33.51%
 33.51%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
42° 24' 19.4" North, 88° 20' 11.1" West
41° 53' 2.7" North, 87° 37' 59.9" West
41° 21' 30.4" North, 86° 55' 48.6" West
Some cities around Chicago Loop sort by population:
• West Town
		3.6 km =2.2 mi,  287°
287°
• Near North Side
		1.8 km =1.1 mi,  356°
356°
• Lincoln Park
		4.4 km =2.7 mi,  343°
343°
• Lower West Side
		4.3 km =2.7 mi,  218°
218°
• Bridgeport
		5.3 km =3.3 mi,  196°
196°
• Near South Side
		3.1 km =1.9 mi,  166°
166°
• East Garfield Park
		5.8 km =3.6 mi,  266°
266°
• Douglas
		5.6 km =3.5 mi,  167°
167°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016