Cambridge, MA Night Sky Brightness
Cambridge, MA's night sky, measured from orbit
Cambridge's sky measures urban here. Sky glow overhead most nights. Typically only planets, the Moon, and a handful of the brightest stars are visible. That's brighter than 91.9% of the 3,206 US 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, explained in the Bortle scale guide.
The nearest darker sky to Cambridge
The closest place in this dataset with a meaningfully darker sky is Somerville, MA, roughly 1 miles away in a straight line, rated suburban. Road distance will be more.
Somerville, 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 Cambridge compares nationally
About 121,186 people live in Cambridge, MA, sized enough to appear in this dataset of 3,206 incorporated US cities. Cambridge's position, 2,931 of 3,206, darkest to brightest, comes from the sampling method the methodology guide sets out.