How dark is the sky in Northbrook, IL?

Northbrook reads as suburban edge on this dataset's scale. A noticeable glow near the horizon. Brighter stars and constellations are easy to pick out; the Milky Way is washed out. Northbrook's sky is brighter than 36.8% of the 3,206 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.

Where to go for a darker sky near Northbrook

Wauconda, IL, about 18 miles away as the crow flies, measures in the rural band, one step darker than Northbrook. Actual driving distance will run longer than that straight-line figure.

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.

Northbrook against the rest of the dataset

Northbrook, IL counts roughly 34,546 residents, among the 3,206 US cities this site tracks. Among all 3,206 cities here, Northbrook ranks 1,175 from darkest to brightest, 1 being the darkest measured.