How dark is the sky in Grain Valley, MO?

Satellite radiance puts Grain Valley 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. Only 23.8% of the 3,206 cities measured here read darker than Grain Valley.

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.

How far Grain Valley is from a meaningfully darker sky

The closest place in this dataset with a meaningfully darker sky is Lenexa, KS, roughly 32 miles away in a straight line, rated rural. Road distance will be more.

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

Grain Valley against the rest of the dataset

Grain Valley, MO counts roughly 16,859 residents, among the 3,206 US cities this site tracks. Among all 3,206 cities here, Grain Valley ranks 758 from darkest to brightest, 1 being the darkest measured.