Night Light of Huai'an (Jiangsu) from space (China) Src. Average luminocity for 10x10km area is 94.1575% and for 50x50km: 21.5191%.
Square area 10x10 km:
 51.47%
 51.47% 28.39%
 28.39% 7.51%
 7.51% 6.41%
 6.41% 4.21%
 4.21% 1.47%
 1.47% 0.55%
 0.55% 0%
 0% 0%
 0% 0%
 0% 0%
 0%Square area 50x50 km:
 3.88%
 3.88% 3.54%
 3.54% 3.93%
 3.93% 2.94%
 2.94% 3.16%
 3.16% 2.57%
 2.57% 2.14%
 2.14% 2.37%
 2.37% 5.26%
 5.26% 9.83%
 9.83% 60.38%
 60.38%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
34° 10' 20.4" North, 118° 18' 57.8" East
33° 35' 19" North, 119° 1' 9" East
33° 0' 3.2" North, 119° 43' 20.3" East
Some cities around Huai'an sort by population:
• Xinghua
		104.7 km =65.1 mi,  133°
133°
• Gaoyou
		97.2 km =60.4 mi,  156°
156°
• Baoying
		48.2 km =30 mi,  146°
146°
• Dongkan
		87.8 km =54.6 mi,  58°
58°
• Guiren
		77.4 km =48.1 mi,  276°
276°
• Zhongxing
		34 km =21.1 mi,  292°
292°
• Gaogou
		50.2 km =31.2 mi,  18°
18°
• Qinnan
		91 km =56.5 mi,  114°
114°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016