Night Light of Maia (Porto) from space (Portugal) Src. Average luminocity for 10x10km area is 97.8409% and for 50x50km: 50.592%.
Square area 10x10 km:
 72.56%
 72.56% 19.97%
 19.97% 3.73%
 3.73% 2.76%
 2.76% 0.97%
 0.97% 0%
 0% 0%
 0% 0%
 0% 0%
 0% 0%
 0% 0%
 0%Square area 50x50 km:
 14.25%
 14.25% 11.5%
 11.5% 6.23%
 6.23% 7.81%
 7.81% 8.46%
 8.46% 5.7%
 5.7% 4.84%
 4.84% 4.33%
 4.33% 4.38%
 4.38% 5.15%
 5.15% 27.34%
 27.34%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
41° 45' 44.5" North, 9° 19' 22.9" West
41° 14' 8.7" North, 8° 37' 11.6" West
40° 42' 17.5" North, 7° 55' 0.4" West
Some cities around Maia sort by population:
• Águas Santas
		4.6 km =2.9 mi,  127°
127°
• São Mamede de Infesta
		4.9 km =3 mi,  171°
171°
• Leça do Bailio
		2.9 km =1.8 mi,  204°
204°
• Moreira
		2.7 km =1.7 mi,  299°
299°
• Pedrouços
		5.9 km =3.7 mi,  151°
151°
• Anta
		3.5 km =2.2 mi,  348°
348°
• Santa Cruz do Bispo
		5.1 km =3.2 mi,  242°
242°
• Gemunde
		4.1 km =2.5 mi,  329°
329°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016