Night Light of Porto (Piauí) from space (Brazil) Src. Average luminocity for 10x10km area is 4.0368% and for 50x50km: 1.4411%.
Square area 10x10 km:
0%
0.87%
0.87%
0%
0.43%
2.16%
0%
0%
1.73%
0.22%
93.72%Square area 50x50 km:
0.02%
0.26%
0.17%
0.11%
0.22%
0.51%
0.24%
0.23%
0.42%
0.23%
97.6%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
3° 11' 29.6" South, 43° 24' 47.3" West
3° 53' 36" South, 42° 42' 36" West
4° 35' 40.3" South, 42° 0' 24.8" West
Some cities around Porto sort by population:
• Coelho Neto
52.5 km =32.6 mi,
219°
• Barras
60.4 km =37.5 mi,
130°
• Esperantina
52.9 km =32.9 mi,
91°
• Santa Quitéria do Maranhão
45.7 km =28.4 mi,
23°
• Luzilândia
61.4 km =38.2 mi,
37°
• Brejo
23.7 km =14.7 mi,
349°
• São Bernardo
67.5 km =41.9 mi,
28°
• Miguel Alves
36.6 km =22.7 mi,
214°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016