What the night sky looks like over Greenfield, MA

Greenfield 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 1.9% of the 3,206 cities measured here read darker than Greenfield.

The number comes from orbit, not a stargazer's logbook, so treat it as an estimate of sky glow rather than a certified Bortle class.

Greenfield is already about as dark as this dataset gets

Nothing in this dataset's 3,206 US cities measures a darker sky than Greenfield. 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.

Greenfield against the rest of the dataset

Greenfield, MA counts roughly 17,633 residents, among the 3,206 US cities this site tracks. Among all 3,206 cities here, Greenfield ranks 61 from darkest to brightest, 1 being the darkest measured.