South Amboy, NJ's night sky, measured from orbit
South Amboy's sky measures suburban here. Light dome dominates much of the sky. Only the brightest stars and planets stand out clearly. That's brighter than 67.6% 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.
How far South Amboy is from a meaningfully darker sky
The closest place in this dataset with a meaningfully darker sky is Sayreville, NJ, roughly 3 miles away in a straight line, rated suburban edge. Road distance will be more.
Sayreville, NJ is itself still a measured city, not a designated dark-sky park, this only compares against the 3,206 places this dataset covers.
How South Amboy compares nationally
South Amboy, NJ counts roughly 10,549 residents, among the 3,206 US cities this site tracks. South Amboy places 2,158 of 3,206 cities in this dataset's darkest-to-brightest order.