Big Spring, TX: how dark is the sky here?
Satellite radiance puts Big Spring 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 16.3% of the 3,206 US cities in this dataset.
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.
The nearest darker sky to Big Spring
161 miles from Big Spring, straight-line, sits Carlsbad, NM, the nearest city here with a darker sky than Big Spring's own suburban edge band.
Carlsbad, NM is itself still a measured city, not a designated dark-sky park, this only compares against the 3,206 places this dataset covers.
How Big Spring compares nationally
About 22,541 people live in Big Spring, TX, sized enough to appear in this dataset of 3,206 incorporated US cities. Big Spring places 521 of 3,206 cities in this dataset's darkest-to-brightest order.