How dark is the sky in Decatur, IN?

Decatur's sky measures suburban here. Light dome dominates much of the sky. Only the brightest stars and planets stand out clearly. Only 70% of the 3,206 cities measured here read darker than Decatur.

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.

The nearest darker sky to Decatur

The closest place in this dataset with a meaningfully darker sky is Huntertown, IN, roughly 29 miles away in a straight line, rated suburban edge. Road distance will be more.

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

Decatur against the rest of the dataset

About 10,072 people live in Decatur, IN, sized enough to appear in this dataset of 3,206 incorporated US cities. Among all 3,206 cities here, Decatur ranks 2,233 from darkest to brightest, 1 being the darkest measured.