How dark is the sky in Union, MO?

Union's sky measures rural here. Little local light dome. Most stars are visible; the Milky Way is faint but often findable away from town lights. Union's sky is brighter than 11.6% of the 3,206 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.

The nearest darker sky to Union

55 miles from Union, straight-line, sits Godfrey, IL, the nearest city here with a darker sky than Union's own rural band.

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

Union against the rest of the dataset

About 13,198 people live in Union, MO, sized enough to appear in this dataset of 3,206 incorporated US cities. Among all 3,206 cities here, Union ranks 370 from darkest to brightest, 1 being the darkest measured.