Evergreen Park, IL Night Sky Brightness
How dark is the sky in Evergreen Park, IL?
Evergreen Park's sky measures urban here. Sky glow overhead most nights. Typically only planets, the Moon, and a handful of the brightest stars are visible. Only 90.2% of the 3,206 cities measured here read darker than Evergreen 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 Evergreen Park
3 miles from Evergreen Park, straight-line, sits Oak Lawn, IL, the nearest city here with a darker sky than Evergreen Park's own urban band.
Oak Lawn, IL is itself still a measured city, not a designated dark-sky park, this only compares against the 3,206 places this dataset covers.
Evergreen Park against the rest of the dataset
Evergreen Park, IL has a population of about 19,301, 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, Evergreen Park comes in at 2,877, darkest to brightest.