Hermitage, PA Night Sky Brightness
How dark is the sky in Hermitage, PA?
Hermitage's sky measures suburban here. Light dome dominates much of the sky. Only the brightest stars and planets stand out clearly. Hermitage's sky is brighter than 45.4% of the 3,206 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.
How far Hermitage is from a meaningfully darker sky
42 miles from Hermitage, straight-line, sits Alliance, OH, the nearest city here with a darker sky than Hermitage's own suburban band.
Alliance, OH is itself still a measured city, not a designated dark-sky park, this only compares against the 3,206 places this dataset covers.
Hermitage against the rest of the dataset
Hermitage, PA counts roughly 15,839 residents, among the 3,206 US cities this site tracks. Ranked against the other 3,206 cities here by the methodology guide's own sampling, Hermitage comes in at 1,448, darkest to brightest.