How dark is the sky in Highland, CA?

Highland's sky measures suburban edge here. A noticeable glow near the horizon. Brighter stars and constellations are easy to pick out; the Milky Way is washed out. Highland's sky is brighter than 35.1% 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.

How far Highland is from a meaningfully darker sky

The closest place in this dataset with a meaningfully darker sky is Calimesa, CA, roughly 11 miles away in a straight line, rated rural. Road distance will be more.

Calimesa, CA is itself still a measured city, not a designated dark-sky park, this only compares against the 3,206 places this dataset covers.

Highland against the rest of the dataset

Highland, CA has a population of about 56,499, one of 3,206 US cities of 10,000 or more residents in this dataset. Among all 3,206 cities here, Highland ranks 1,119 from darkest to brightest, 1 being the darkest measured.