What the night sky looks like over Palos Hills, IL
Palos Hills reads as suburban edge on this dataset's scale. A noticeable glow near the horizon. Brighter stars and constellations are easy to pick out; the Milky Way is washed out. Only 37.9% of the 3,206 cities measured here read darker than Palos Hills.
The number comes from orbit, not a stargazer's logbook, so treat it as an estimate of sky glow rather than a certified Bortle class.
Where to go for a darker sky near Palos Hills
The closest place in this dataset with a meaningfully darker sky is Bartlett, IL, roughly 26 miles away in a straight line, rated rural. Road distance will be more.
Bartlett, IL is itself still a measured city, not a designated dark-sky park, this only compares against the 3,206 places this dataset covers.
Palos Hills against the rest of the dataset
Palos Hills, IL counts roughly 18,026 residents, among the 3,206 US cities this site tracks. Among all 3,206 cities here, Palos Hills ranks 1,209 from darkest to brightest, 1 being the darkest measured.