Frankfort, IL: how dark is the sky here?

Frankfort'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 24.3% of the 3,206 cities measured here read darker than Frankfort.

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 Frankfort

31 miles from Frankfort, straight-line, sits Hobart, IN, the nearest city here with a darker sky than Frankfort's own suburban edge band.

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

How Frankfort compares nationally

About 21,160 people live in Frankfort, IL, sized enough to appear in this dataset of 3,206 incorporated US cities. Frankfort places 777 of 3,206 cities in this dataset's darkest-to-brightest order.