Fort Atkinson, WI Night Sky Brightness
How dark is the sky in Fort Atkinson, WI?
Fort Atkinson'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. That's brighter than 28.1% of the 3,206 US cities in this dataset.
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.
The nearest darker sky to Fort Atkinson
Fitchburg, WI, about 30 miles away as the crow flies, measures in the rural band, one step darker than Fort Atkinson. Actual driving distance will run longer than that straight-line figure.
Fitchburg, WI is itself still a measured city, not a designated dark-sky park, this only compares against the 3,206 places this dataset covers.
Fort Atkinson against the rest of the dataset
Fort Atkinson, WI counts roughly 12,377 residents, among the 3,206 US cities this site tracks. Ranked against the other 3,206 cities here by the methodology guide's own sampling, Fort Atkinson comes in at 895, darkest to brightest.