Arroyo Grande, CA: how dark is the sky here?

Arroyo Grande reads as suburban edge on this dataset's scale. A noticeable glow near the horizon. Brighter stars and constellations are easy to pick out; the Milky Way is washed out. Only 31.8% of the 3,206 cities measured here read darker than Arroyo Grande.

This comes from a satellite measuring light radiating upward, not a person's eyes on the ground, so it isn't the same as a Bortle class, though the two track each other closely.

The nearest darker sky to Arroyo Grande

Morro Bay, CA, about 23 miles away as the crow flies, measures in the dark sky band, one step darker than Arroyo Grande. Actual driving distance will run longer than that straight-line figure.

Morro Bay, 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 Arroyo Grande compares nationally

Arroyo Grande, CA counts roughly 18,249 residents, among the 3,206 US cities this site tracks. Arroyo Grande places 1,014 of 3,206 cities in this dataset's darkest-to-brightest order.