Glen Rock, NJ: how dark is the sky here?

Glen Rock's sky measures suburban edge here. A noticeable glow near the horizon. Brighter stars and constellations are easy to pick out; the Milky Way is washed out. That's brighter than 37.1% of the 3,206 US cities in this dataset.

This comes from a satellite measuring light radiating upward, not a person's eyes on the ground, so it isn't the same as a Bortle class, though the two track each other closely.

The nearest darker sky to Glen Rock

The closest place in this dataset with a meaningfully darker sky is Ringwood, NJ, roughly 13 miles away in a straight line, rated dark sky. Road distance will be more.

Ringwood, 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 Glen Rock compares nationally

Glen Rock, NJ counts roughly 12,346 residents, among the 3,206 US cities this site tracks. Glen Rock places 1,182 of 3,206 cities in this dataset's darkest-to-brightest order.