How dark is the sky in Hannibal, MO?

Satellite radiance puts Hannibal in the suburban edge band. 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 15.1% 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 Hannibal

The closest place in this dataset with a meaningfully darker sky is Mexico, MO, roughly 46 miles away in a straight line, rated rural. Road distance will be more.

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

Hannibal against the rest of the dataset

Hannibal, MO counts roughly 16,809 residents, among the 3,206 US cities this site tracks. Among all 3,206 cities here, Hannibal ranks 482 from darkest to brightest, 1 being the darkest measured.