Night Light of Porz am Rhein (North Rhine-Westphalia) from space (Germany) Src. Average luminocity for 10x10km area is 62.7059% and for 50x50km: 29.9561%.
Square area 10x10 km:
 14.01%
 14.01% 12.04%
 12.04% 5.46%
 5.46% 5.6%
 5.6% 15.97%
 15.97% 12.32%
 12.32% 7.56%
 7.56% 15.55%
 15.55% 10.92%
 10.92% 0.56%
 0.56% 0%
 0%Square area 50x50 km:
 5.76%
 5.76% 6.12%
 6.12% 2.84%
 2.84% 2.98%
 2.98% 4.1%
 4.1% 4.27%
 4.27% 4.24%
 4.24% 6.32%
 6.32% 8.11%
 8.11% 12.25%
 12.25% 43.01%
 43.01%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
51° 19' 40.2" North, 6° 21' 18.6" East
50° 53' 10.9" North, 7° 3' 29.9" East
50° 26' 26.4" North, 7° 45' 41.1" East
Some cities around Porz am Rhein sort by population:
• Humboldtkolonie
		6.7 km =4.2 mi,  318°
318°
• Höhenberg
		5.3 km =3.3 mi,  347°
347°
• Ostheim
		5.1 km =3.2 mi,  348°
348°
• Poll
		5.6 km =3.5 mi,  301°
301°
• Rath
		4.8 km =3 mi,  30°
30°
• Eil
		1.7 km =1.1 mi,  61°
61°
• Bayenthal
		7 km =4.3 mi,  294°
294°
• Wahn-Heide
		4.6 km =2.9 mi,  132°
132°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016