What the night sky looks like over Westminster, CA
Satellite radiance puts Westminster in the suburban band. Light dome dominates much of the sky. Only the brightest stars and planets stand out clearly. Only 84.1% of the 3,206 cities measured here read darker than Westminster.
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.
How far Westminster is from a meaningfully darker sky
The closest place in this dataset with a meaningfully darker sky is Seal Beach, CA, roughly 4 miles away in a straight line, rated rural. Road distance will be more.
Seal Beach, CA is itself still a measured city, not a designated dark-sky park, this only compares against the 3,206 places this dataset covers.
Westminster against the rest of the dataset
Westminster, CA counts roughly 89,537 residents, among the 3,206 US cities this site tracks. Among all 3,206 cities here, Westminster ranks 2,680 from darkest to brightest, 1 being the darkest measured.