Night Light of Haikou (Yunnan) from space (China) Src. Average luminocity for 10x10km area is 43.1439% and for 50x50km: 27.7007%.
Square area 10x10 km:
Square area 50x50 km:
Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
25° 24' 59.7" North, 101° 52' 20.5" East
24° 46' 47.5" North, 102° 34' 31.7" East
24° 8' 23.4" North, 103° 16' 43" East
Some cities around Haikou sort by population:
• Kunming
32.2 km =20 mi, 26°
• Majie
28.7 km =17.8 mi, 12°
• Lianran
18.3 km =11.4 mi, 330°
• Yuxi
47.4 km =29.5 mi, 184°
• Zhongshu
123.9 km =77 mi, 103°
• Longquan
43.5 km =27 mi, 253°
• Miyang
97.1 km =60.3 mi, 115°
• Shilin
76.5 km =47.5 mi, 86°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016