How dark is the sky in Crystal Lake, IL?

Crystal Lake'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 35.5% of the 3,206 cities measured here read darker than Crystal Lake.

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.

Where to go for a darker sky near Crystal Lake

11 miles from Crystal Lake, straight-line, sits Wauconda, IL, the nearest city here with a darker sky than Crystal Lake's own suburban edge band.

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

Crystal Lake against the rest of the dataset

About 41,513 people live in Crystal Lake, IL, sized enough to appear in this dataset of 3,206 incorporated US cities. Among all 3,206 cities here, Crystal Lake ranks 1,132 from darkest to brightest, 1 being the darkest measured.