South El Monte, CA Night Sky Brightness
How dark is the sky in South El Monte, CA?
South El Monte's sky measures urban here. Sky glow overhead most nights. Typically only planets, the Moon, and a handful of the brightest stars are visible. South El Monte's sky is brighter than 92.4% of the 3,206 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.
Where to go for a darker sky near South El Monte
2 miles from South El Monte, straight-line, sits Rosemead, CA, the nearest city here with a darker sky than South El Monte's own urban band.
Rosemead, CA is itself still a measured city, not a designated dark-sky park, this only compares against the 3,206 places this dataset covers.
South El Monte against the rest of the dataset
South El Monte, CA has a population of about 19,121, one of 3,206 US cities of 10,000 or more residents in this dataset. Ranked against the other 3,206 cities here by the methodology guide's own sampling, South El Monte comes in at 2,947, darkest to brightest.