DarkSkyCheck

Decatur, GA: how dark is the sky here?

Decatur's sky measures urban here. Sky glow overhead most nights. Typically only planets, the Moon, and a handful of the brightest stars are visible. Decatur's sky is brighter than 94.5% of the 3,206 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.

How far Decatur is from a meaningfully darker sky

The closest place in this dataset with a meaningfully darker sky is Clarkston, GA, roughly 4 miles away in a straight line, rated suburban. Road distance will be more.

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

How Decatur compares nationally

About 24,482 people live in Decatur, GA, sized enough to appear in this dataset of 3,206 incorporated US cities. Decatur places 3,012 of 3,206 cities in this dataset's darkest-to-brightest order.