How dark is the sky in Artesia, CA?
Satellite radiance puts Artesia in the urban band. Sky glow overhead most nights. Typically only planets, the Moon, and a handful of the brightest stars are visible. That's brighter than 93.2% 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.
How far Artesia is from a meaningfully darker sky
The closest place in this dataset with a meaningfully darker sky is Cerritos, CA, roughly under a mile away in a straight line, rated suburban. Road distance will be more.
Cerritos, CA is itself still a measured city, not a designated dark-sky park, this only compares against the 3,206 places this dataset covers.
Artesia against the rest of the dataset
About 15,662 people live in Artesia, CA, sized enough to appear in this dataset of 3,206 incorporated US cities. Among all 3,206 cities here, Artesia ranks 2,971 from darkest to brightest, 1 being the darkest measured.