Night Light of Hefei (Anhui) from space (China) Src. Average luminocity for 10x10km area is 99.1777% and for 50x50km: 40.1302%.
Square area 10x10 km:
 80.59%
 80.59% 16.48%
 16.48% 2.38%
 2.38% 0.55%
 0.55% 0%
 0% 0%
 0% 0%
 0% 0%
 0% 0%
 0% 0%
 0% 0%
 0%Square area 50x50 km:
 15.61%
 15.61% 9.07%
 9.07% 3.02%
 3.02% 3.04%
 3.04% 2.8%
 2.8% 3.39%
 3.39% 4.31%
 4.31% 3.99%
 3.99% 6.59%
 6.59% 10.69%
 10.69% 37.49%
 37.49%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
32° 27' 32.8" North, 116° 34' 39.8" East
31° 51' 50" North, 117° 16' 51" East
31° 15' 53.3" North, 117° 59' 2.3" East
Some cities around Hefei sort by population:
• Huainan
		88.9 km =55.2 mi,  342°
342°
• Wusong
		112.2 km =69.7 mi,  154°
154°
• Chuzhou
		108.5 km =67.4 mi,  62°
62°
• Chaohu
		62.7 km =39 mi,  117°
117°
• Lucheng
		70.1 km =43.6 mi,  180°
180°
• Wuyang
		98.6 km =61.3 mi,  278°
278°
• Huoqiu Chengguanzhen
		107.8 km =67 mi,  300°
300°
• Datong
		86.6 km =53.8 mi,  346°
346°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016