Westmont, IL's night sky, measured from orbit

Satellite radiance puts Westmont in the suburban band. Light dome dominates much of the sky. Only the brightest stars and planets stand out clearly. Only 53% of the 3,206 cities measured here read darker than Westmont.

Note the source: a satellite reading of upward light, not a visual Bortle scale reading. The two measure related but different things.

The nearest darker sky to Westmont

2 miles from Westmont, straight-line, sits Downers Grove, IL, the nearest city here with a darker sky than Westmont's own suburban band.

Downers Grove, 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 Westmont compares nationally

Westmont, IL counts roughly 24,308 residents, among the 3,206 US cities this site tracks. Westmont places 1,689 of 3,206 cities in this dataset's darkest-to-brightest order.