Bayonne, NJ's night sky, measured from orbit
Satellite radiance puts Bayonne in the inner-city band. Among the brightest skies in this dataset. Usually just the Moon and a few of the brightest stars or planets cut through. That's brighter than 99.1% 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.
Where to go for a darker sky near Bayonne
6 miles from Bayonne, straight-line, sits Kearny, NJ, the nearest city here with a darker sky than Bayonne's own inner-city band.
Kearny, 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 Bayonne compares nationally
Bayonne, NJ has a population of about 74,532, one of 3,206 US cities of 10,000 or more residents in this dataset. Bayonne places 3,160 of 3,206 cities in this dataset's darkest-to-brightest order.