Libertyville, IL Night Sky Brightness
Libertyville, IL's night sky, measured from orbit
Libertyville'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 22.4% 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, explained in the Bortle scale guide.
Where to go for a darker sky near Libertyville
The closest place in this dataset with a meaningfully darker sky is Round Lake, IL, roughly 8 miles away in a straight line, rated rural. Road distance will be more.
Round Lake, IL is itself still a measured city, not a designated dark-sky park, this only compares against the 3,206 places this dataset covers.
How Libertyville compares nationally
Libertyville, IL has a population of about 20,643, one of 3,206 US cities of 10,000 or more residents in this dataset. Libertyville's position, 716 of 3,206, darkest to brightest, comes from the sampling method the methodology guide sets out.