DarkSkyCheck

Coronado, CA Night Sky Brightness

How dark is the sky in Coronado, CA?

Rural
2.5 nW/cm2/sr

Coronado reads as rural on this dataset's scale. Little local light dome. Most stars are visible; the Milky Way is faint but often findable away from town lights. Only 3.2% of the 3,206 cities measured here read darker than Coronado.

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.

The nearest darker sky to Coronado

Banning, CA, about 90 miles away as the crow flies, measures in the dark sky band, one step darker than Coronado. Actual driving distance will run longer than that straight-line figure.

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

Coronado against the rest of the dataset

About 18,031 people live in Coronado, CA, sized enough to appear in this dataset of 3,206 incorporated US cities. Ranked against the other 3,206 cities here by the methodology guide's own sampling, Coronado comes in at 103, darkest to brightest.