Night Light of Upper Alton (Illinois) from space (United States) Src. Average luminocity for 10x10km area is 68.7687% and for 50x50km: 33.5911%.
Square area 10x10 km:
16.33%
17.86%
9.35%
4.42%
14.8%
11.39%
4.93%
8.5%
11.39%
1.02%
0%Square area 50x50 km:
6.57%
7.59%
5.05%
4.1%
5.7%
5.37%
3.62%
3.46%
5.76%
6.3%
46.48%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
39° 27' 23.2" North, 90° 51' 13.6" West
38° 54' 41.2" North, 90° 9' 2.4" West
38° 21' 44" North, 89° 26' 51.1" West
Some cities around Upper Alton sort by population:
• Alton
3.7 km =2.3 mi,
231°
• Spanish Lake
14.9 km =9.3 mi,
202°
• Old Jamestown
14.4 km =8.9 mi,
233°
• Godfrey
5.8 km =3.6 mi,
327°
• Wood River
7.2 km =4.5 mi,
140°
• Bethalto
9.5 km =5.9 mi,
91°
• Black Jack
16.6 km =10.3 mi,
217°
• East Alton
4.9 km =3 mi,
135°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016