Allen, TX Night Sky Brightness
Allen, TX's night sky, measured from orbit
Allen's sky measures urban here. Sky glow overhead most nights. Typically only planets, the Moon, and a handful of the brightest stars are visible. That's brighter than 98% of the 3,206 US cities in this dataset.
Note the source: a satellite reading of upward light, not a visual Bortle scale reading. The two measure related but different things, explained in the Bortle scale guide.
The nearest darker sky to Allen
4 miles from Allen, straight-line, sits Fairview, TX, the nearest city here with a darker sky than Allen's own urban band.
Fairview, TX is itself still a measured city, not a designated dark-sky park, this only compares against the 3,206 places this dataset covers.
How Allen compares nationally
Allen, TX has a population of about 113,746, one of 3,206 US cities of 10,000 or more residents in this dataset. Allen's position, 3,123 of 3,206, darkest to brightest, comes from the sampling method the methodology guide sets out.