Night Light of Qionghai (Hainan) from space (China) Src. Average luminocity for 10x10km area is 44.4827% and for 50x50km: 4.1112%.
Square area 10x10 km:
4.76%
3.9%
16.88%
4.55%
8.44%
3.03%
4.33%
5.84%
7.58%
37.66%
3.03%Square area 50x50 km:
0.18%
0.14%
1.13%
0.35%
0.58%
0.6%
0.71%
0.7%
1%
3.15%
91.48%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
19° 54' 18" North, 109° 45' 39.8" East
19° 14' 33" North, 110° 27' 51" East
18° 34' 38.4" North, 111° 10' 2.3" East
Some cities around Qionghai sort by population:
• Haikou
90.2 km =56 mi,
351°
• Xiuying
86.2 km =53.6 mi,
348°
• Sanya
150.2 km =93.3 mi,
222°
• Wenchang
51.1 km =31.8 mi,
35°
• Xucheng
124.8 km =77.5 mi,
345°
• Jinjiang
72.1 km =44.8 mi,
318°
• Wanning
50 km =31.1 mi,
189°
• Lincheng
110.1 km =68.4 mi,
312°
Sources (retrieved 2019-11-25):
» NASA, Earths city lights 1995
» NASA city lights 2003
» Earth at Night: Flat Maps 2012, 2016