Night Light of Barreirinha (Amazonas) from space (Brazil) Src. Average luminocity for 10x10km area is 3.342% and for 50x50km: 0.1555%.
Square area 10x10 km:
 0%
 0%
 0.87%
 0.87%
 0.87%
 0.22%
 0.87%
 1.3%
 0.22%
 0%
 94.81%Square area 50x50 km:
 0%
 0%
 0.03%
 0.03%
 0.03%
 0.01%
 0.03%
 0.09%
 0.01%
 0.03%
 99.72%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
2° 5' 27.1" South, 57° 46' 23.3" West
2° 47' 36" South, 57° 4' 12" West
3° 29' 43.4" South, 56° 22' 0.8" West
Some cities around Barreirinha sort by population:
• Parintins
		41.4 km =25.7 mi, 
63°
• Maués
		97.4 km =60.5 mi, 
227°
• Terra Santa
		100.3 km =62.3 mi, 
40°
• Juruti
		129.9 km =80.7 mi, 
56°
• Urucurituba
		126.5 km =78.6 mi, 
252°
• Guajará
		69 km =42.9 mi, 
253°
• Urucará
		81.8 km =50.8 mi, 
290°
• Nhamundá
		78.3 km =48.7 mi, 
30°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016