Crest Hill, IL Night Sky Brightness
Crest Hill, IL's night sky, measured from orbit
Crest Hill 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. Crest Hill's sky is brighter than 31.1% of the 3,206 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.
The nearest darker sky to Crest Hill
The closest place in this dataset with a meaningfully darker sky is Plano, IL, roughly 23 miles away in a straight line, rated dark sky. Road distance will be more.
Plano, 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 Crest Hill compares nationally
Crest Hill, IL counts roughly 20,223 residents, among the 3,206 US cities this site tracks. Crest Hill's position, 993 of 3,206, darkest to brightest, comes from the sampling method the methodology guide sets out.