Fitchburg, WI: how dark is the sky here?
Fitchburg reads as rural on this dataset's scale. Little local light dome. Most stars are visible; the Milky Way is faint but often findable away from town lights. Only 4.2% of the 3,206 cities measured here read darker than Fitchburg.
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.
The nearest darker sky to Fitchburg
19 miles from Fitchburg, straight-line, sits Windsor, WI, the nearest city here with a darker sky than Fitchburg's own rural band.
Windsor, WI is itself still a measured city, not a designated dark-sky park, this only compares against the 3,206 places this dataset covers.
How Fitchburg compares nationally
About 34,357 people live in Fitchburg, WI, sized enough to appear in this dataset of 3,206 incorporated US cities. Fitchburg places 136 of 3,206 cities in this dataset's darkest-to-brightest order.