Fillmore, CA: how dark is the sky here?
Fillmore's sky measures suburban here. Light dome dominates much of the sky. Only the brightest stars and planets stand out clearly. Only 68.4% of the 3,206 cities measured here read darker than Fillmore.
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.
Where to go for a darker sky near Fillmore
Moorpark, CA, about 8 miles away as the crow flies, measures in the suburban edge band, one step darker than Fillmore. Actual driving distance will run longer than that straight-line figure.
Moorpark, 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 Fillmore compares nationally
Fillmore, CA has a population of about 17,216, one of 3,206 US cities of 10,000 or more residents in this dataset. Fillmore places 2,181 of 3,206 cities in this dataset's darkest-to-brightest order.