Aliso Viejo, CA's night sky, measured from orbit

Aliso Viejo reads as urban on this dataset's scale. Sky glow overhead most nights. Typically only planets, the Moon, and a handful of the brightest stars are visible. Only 94.8% of the 3,206 cities measured here read darker than Aliso Viejo.

Note the source: a satellite reading of upward light, not a visual Bortle scale reading. The two measure related but different things.

The nearest darker sky to Aliso Viejo

The closest place in this dataset with a meaningfully darker sky is Laguna Hills, CA, roughly 2 miles away in a straight line, rated suburban. Road distance will be more.

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

How Aliso Viejo compares nationally

About 50,457 people live in Aliso Viejo, CA, sized enough to appear in this dataset of 3,206 incorporated US cities. Aliso Viejo places 3,023 of 3,206 cities in this dataset's darkest-to-brightest order.