Beach Park, IL Night Sky Brightness
How dark is the sky in Beach Park, IL?
Beach Park reads as rural on this dataset's scale. Little local light dome. Most stars are visible; the Milky Way is faint but often findable away from town lights. Only 6.1% of the 3,206 cities measured here read darker than Beach Park.
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.
The nearest darker sky to Beach Park
25 miles from Beach Park, straight-line, sits Caledonia, WI, the nearest city here with a darker sky than Beach Park's own rural band.
Caledonia, WI is itself still a measured city, not a designated dark-sky park, this only compares against the 3,206 places this dataset covers.
Beach Park against the rest of the dataset
Beach Park, IL has a population of about 14,212, one of 3,206 US cities of 10,000 or more residents in this dataset. Ranked against the other 3,206 cities here by the methodology guide's own sampling, Beach Park comes in at 197, darkest to brightest.