Night Light of Arumbāvūr (Tamil Nadu) from space (India) Src. Average luminocity for 10x10km area is 6.2338% and for 50x50km: 6.6427%.
Square area 10x10 km:
 0%
 0.87%
 0%
 0.43%
 0.43%
 0.65%
 4.11%
 3.03%
 1.73%
 3.03%
 85.71%Square area 50x50 km:
 0.03%
 0.59%
 0.78%
 0.65%
 0.66%
 1.37%
 1.97%
 1.7%
 2.04%
 5.51%
 84.7%Clear (daylight) street map image can be seen on geolist.org.
Map coordinates:
12° 4' 9.9" North, 78° 1' 35.5" East
11° 22' 51.5" North, 78° 43' 46.7" East
10° 41' 27" North, 79° 25' 58" East
Some cities around Arumbāvūr sort by population:
• Attur
		27.5 km =17.1 mi, 
329°
• Turaiyūr
		29.4 km =18.3 mi, 
209°
• Perambalur
		23.5 km =14.6 mi, 
134°
• Chinna Salem
		32.3 km =20.1 mi, 
29°
• Gangavalli
		15.7 km =9.8 mi, 
326°
• Vīraganūr
		10.6 km =6.6 mi, 
3°
• Mettuppālaiyam
		38.7 km =24 mi, 
232°
• Uppiliyapuram
		26.9 km =16.7 mi, 
240°
Sources (retrieved 2019-11-25):
» Earth at Night: Flat Maps 2012, 2016