Winnetka, IL Night Sky Brightness
Winnetka, IL's night sky, measured from orbit
Winnetka'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. Winnetka's sky is brighter than 18.9% of the 3,206 cities in this dataset.
Note the source: a satellite reading of upward light, not a visual Bortle scale reading. The two measure related but different things, explained in the Bortle scale guide.
Where to go for a darker sky near Winnetka
Wauconda, IL, about 23 miles away as the crow flies, measures in the rural band, one step darker than Winnetka. 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.
How Winnetka compares nationally
Winnetka, IL has a population of about 12,494, one of 3,206 US cities of 10,000 or more residents in this dataset. Winnetka's position, 602 of 3,206, darkest to brightest, comes from the sampling method the methodology guide sets out.