Somerville, MA: how dark is the sky here?
Somerville's sky measures suburban here. Light dome dominates much of the sky. Only the brightest stars and planets stand out clearly. Only 77.8% of the 3,206 cities measured here read darker than Somerville.
This comes from a satellite measuring light radiating upward, not a person's eyes on the ground, so it isn't the same as a Bortle class, though the two track each other closely.
Where to go for a darker sky near Somerville
2 miles from Somerville, straight-line, sits Medford, MA, the nearest city here with a darker sky than Somerville's own suburban band.
Medford, MA is itself still a measured city, not a designated dark-sky park, this only compares against the 3,206 places this dataset covers.
How Somerville compares nationally
Somerville, MA has a population of about 82,149, one of 3,206 US cities of 10,000 or more residents in this dataset. Somerville places 2,481 of 3,206 cities in this dataset's darkest-to-brightest order.