Harrison, NJ Night Sky Brightness
Harrison, NJ's night sky, measured from orbit
Harrison reads as inner-city on this dataset's scale. Among the brightest skies in this dataset. Usually just the Moon and a few of the brightest stars or planets cut through. Only 99.7% of the 3,206 cities measured here read darker than Harrison.
Note the source: a satellite reading of upward light, not a visual Bortle scale reading. The two measure related but different things, explained in the Bortle scale guide.
The nearest darker sky to Harrison
2 miles from Harrison, straight-line, sits Kearny, NJ, the nearest city here with a darker sky than Harrison'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 Harrison compares nationally
About 22,182 people live in Harrison, NJ, sized enough to appear in this dataset of 3,206 incorporated US cities. Harrison's position, 3,177 of 3,206, darkest to brightest, comes from the sampling method the methodology guide sets out.