Martinez, CA Night Sky Brightness
Martinez, CA: how dark is the sky here?
Martinez's sky measures suburban here. Light dome dominates much of the sky. Only the brightest stars and planets stand out clearly. Martinez's sky is brighter than 48.2% of the 3,206 cities in this dataset.
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 - see the Bortle scale guide for where they can disagree.
The nearest darker sky to Martinez
4 miles from Martinez, straight-line, sits Pleasant Hill, CA, the nearest city here with a darker sky than Martinez's own suburban band.
Pleasant Hill, CA is itself still a measured city, not a designated dark-sky park, this only compares against the 3,206 places this dataset covers.
How Martinez compares nationally
Martinez, CA has a population of about 37,006, one of 3,206 US cities of 10,000 or more residents in this dataset. Martinez places 1,538 of 3,206 cities in this dataset's darkest-to-brightest order, ranked by the method in the methodology guide.