What the night sky looks like over Sierra Vista, AZ

Sierra Vista'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. Sierra Vista's sky is brighter than 9.6% of the 3,206 cities in this dataset.

The number comes from orbit, not a stargazer's logbook, so treat it as an estimate of sky glow rather than a certified Bortle class.

The nearest darker sky to Sierra Vista

46 miles from Sierra Vista, straight-line, sits Sahuarita, AZ, the nearest city here with a darker sky than Sierra Vista's own rural band.

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

Sierra Vista against the rest of the dataset

About 44,710 people live in Sierra Vista, AZ, sized enough to appear in this dataset of 3,206 incorporated US cities. Among all 3,206 cities here, Sierra Vista ranks 306 from darkest to brightest, 1 being the darkest measured.