DarkSkyCheck

Lake Forest, CA Night Sky Brightness

How dark is the sky in Lake Forest, CA?

Suburban
22.4 nW/cm2/sr

Satellite radiance puts Lake Forest in the suburban band. Light dome dominates much of the sky. Only the brightest stars and planets stand out clearly. Lake Forest's sky is brighter than 49.3% 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 Lake Forest

3 miles from Lake Forest, straight-line, sits Mission Viejo, CA, the nearest city here with a darker sky than Lake Forest's own suburban band.

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

Lake Forest against the rest of the dataset

Lake Forest, CA has a population of about 87,159, 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, Lake Forest comes in at 1,572, darkest to brightest.