Pottstown, PA Night Sky Brightness
How dark is the sky in Pottstown, PA?
Pottstown reads as suburban on this dataset's scale. Light dome dominates much of the sky. Only the brightest stars and planets stand out clearly. That's brighter than 74.5% of the 3,206 US cities in this dataset.
Worth remembering: this is satellite radiance, not a ground observation. A true Bortle rating needs a human eye at night, this is the closest large-scale substitute, covered fully in the Bortle scale guide.
Where to go for a darker sky near Pottstown
42 miles from Pottstown, straight-line, sits Pottsville, PA, the nearest city here with a darker sky than Pottstown's own suburban band.
Pottsville, PA is itself still a measured city, not a designated dark-sky park, this only compares against the 3,206 places this dataset covers.
Pottstown against the rest of the dataset
Pottstown, PA has a population of about 23,553, one of 3,206 US cities of 10,000 or more residents in this dataset. Ranked against the other 3,206 cities here by the methodology guide's own sampling, Pottstown comes in at 2,376, darkest to brightest.