Johns Creek, GA Night Sky Brightness
How dark is the sky in Johns Creek, GA?
Johns Creek's sky measures suburban edge here. A noticeable glow near the horizon. Brighter stars and constellations are easy to pick out; the Milky Way is washed out. Only 14.9% of the 3,206 cities measured here read darker than Johns Creek.
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, covered fully in the Bortle scale guide.
How far Johns Creek is from a meaningfully darker sky
The closest place in this dataset with a meaningfully darker sky is Milton, GA, roughly 10 miles away in a straight line, rated rural. Road distance will be more.
Milton, GA is itself still a measured city, not a designated dark-sky park, this only compares against the 3,206 places this dataset covers.
Johns Creek against the rest of the dataset
Johns Creek, GA has a population of about 81,167, one of 3,206 US cities of 10,000 or more residents in this dataset. Ranked against the other 3,206 cities here by the methodology guide's own sampling, Johns Creek comes in at 476, darkest to brightest.