Westbrook, ME's night sky, measured from orbit

Westbrook reads as dark sky on this dataset's scale. Among the darkest skies of any US city in this dataset. The Milky Way should be visible overhead on clear, moonless nights. Only 1.3% of the 3,206 cities measured here read darker than Westbrook.

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

Westbrook is already about as dark as this dataset gets

Nothing in this dataset's 3,206 US cities measures a darker sky than Westbrook. That doesn't mean nowhere is darker, unincorporated land and wilderness aren't part of this dataset at all, only incorporated cities of 10,000 people or more.

How Westbrook compares nationally

Westbrook, ME counts roughly 21,386 residents, among the 3,206 US cities this site tracks. Westbrook places 44 of 3,206 cities in this dataset's darkest-to-brightest order.