Vermillion, SD Night Sky Brightness
Vermillion, SD's night sky, measured from orbit
Vermillion's sky measures urban here. Sky glow overhead most nights. Typically only planets, the Moon, and a handful of the brightest stars are visible. Vermillion's sky is brighter than 93% of the 3,206 cities in this dataset.
Note the source: a satellite reading of upward light, not a visual Bortle scale reading. The two measure related but different things, explained in the Bortle scale guide.
Where to go for a darker sky near Vermillion
25 miles from Vermillion, straight-line, sits Yankton, SD, the nearest city here with a darker sky than Vermillion's own urban band.
Yankton, SD is itself still a measured city, not a designated dark-sky park, this only compares against the 3,206 places this dataset covers.
How Vermillion compares nationally
About 11,877 people live in Vermillion, SD, sized enough to appear in this dataset of 3,206 incorporated US cities. Vermillion's position, 2,964 of 3,206, darkest to brightest, comes from the sampling method the methodology guide sets out.