Crestwood, MO: how dark is the sky here?
Crestwood's sky measures urban here. Sky glow overhead most nights. Typically only planets, the Moon, and a handful of the brightest stars are visible. Only 89.4% of the 3,206 cities measured here read darker than Crestwood.
This comes from a satellite measuring light radiating upward, not a person's eyes on the ground, so it isn't the same as a Bortle class, though the two track each other closely.
How far Crestwood is from a meaningfully darker sky
Webster Groves, MO, about 2 miles away as the crow flies, measures in the suburban band, one step darker than Crestwood. Actual driving distance will run longer than that straight-line figure.
Webster Groves, MO is itself still a measured city, not a designated dark-sky park, this only compares against the 3,206 places this dataset covers.
How Crestwood compares nationally
Crestwood, MO counts roughly 12,239 residents, among the 3,206 US cities this site tracks. Crestwood places 2,850 of 3,206 cities in this dataset's darkest-to-brightest order.