How dark is the sky in Romeoville, IL?

Romeoville reads as urban on this dataset's scale. Sky glow overhead most nights. Typically only planets, the Moon, and a handful of the brightest stars are visible. That's brighter than 90.8% of the 3,206 US cities in this dataset.

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.

Where to go for a darker sky near Romeoville

The closest place in this dataset with a meaningfully darker sky is Crest Hill, IL, roughly 4 miles away in a straight line, rated suburban edge. Road distance will be more.

Crest Hill, IL is itself still a measured city, not a designated dark-sky park, this only compares against the 3,206 places this dataset covers.

Romeoville against the rest of the dataset

Romeoville, IL counts roughly 41,177 residents, among the 3,206 US cities this site tracks. Among all 3,206 cities here, Romeoville ranks 2,894 from darkest to brightest, 1 being the darkest measured.