Calumet City, IL's night sky, measured from orbit

Satellite radiance puts Calumet City in the suburban band. Light dome dominates much of the sky. Only the brightest stars and planets stand out clearly. Calumet City's sky is brighter than 67.4% 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.

The nearest darker sky to Calumet City

The closest place in this dataset with a meaningfully darker sky is Park Forest, IL, roughly 11 miles away in a straight line, rated suburban edge. Road distance will be more.

Park Forest, 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 Calumet City compares nationally

About 34,855 people live in Calumet City, IL, sized enough to appear in this dataset of 3,206 incorporated US cities. Calumet City places 2,149 of 3,206 cities in this dataset's darkest-to-brightest order.