Mountain Brook, AL's night sky, measured from orbit

Mountain Brook reads as rural on this dataset's scale. Little local light dome. Most stars are visible; the Milky Way is faint but often findable away from town lights. Mountain Brook's sky is brighter than 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.

How far Mountain Brook is from a meaningfully darker sky

The closest place in this dataset with a meaningfully darker sky is Pelham, AL, roughly 12 miles away in a straight line, rated dark sky. Road distance will be more.

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

How Mountain Brook compares nationally

About 21,701 people live in Mountain Brook, AL, sized enough to appear in this dataset of 3,206 incorporated US cities. Mountain Brook places 287 of 3,206 cities in this dataset's darkest-to-brightest order.