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.
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. Among all 3,206 cities here, Pottstown ranks 2,376 from darkest to brightest, 1 being the darkest measured.