Shoreline, WA Night Sky Brightness
How dark is the sky in Shoreline, WA?
Satellite radiance puts Shoreline in the suburban band. Light dome dominates much of the sky. Only the brightest stars and planets stand out clearly. That's brighter than 77.3% of the 3,206 US cities in this dataset.
Worth remembering: this is satellite radiance, not a ground observation. A true Bortle rating needs a human eye at night, this is the closest large-scale substitute, covered fully in the Bortle scale guide.
How far Shoreline is from a meaningfully darker sky
The closest place in this dataset with a meaningfully darker sky is Lake Forest Park, WA, roughly 3 miles away in a straight line, rated rural. Road distance will be more.
Lake Forest Park, WA is itself still a measured city, not a designated dark-sky park, this only compares against the 3,206 places this dataset covers.
Shoreline against the rest of the dataset
Shoreline, WA counts roughly 66,251 residents, among the 3,206 US cities this site tracks. Ranked against the other 3,206 cities here by the methodology guide's own sampling, Shoreline comes in at 2,463, darkest to brightest.