Norwalk, CA: how dark is the sky here?

Norwalk 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. Norwalk's sky is brighter than 93.8% of the 3,206 cities in this dataset.

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 Norwalk

The closest place in this dataset with a meaningfully darker sky is Cerritos, CA, roughly 3 miles away in a straight line, rated suburban. Road distance will be more.

Cerritos, 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 Norwalk compares nationally

About 98,230 people live in Norwalk, CA, sized enough to appear in this dataset of 3,206 incorporated US cities. Norwalk places 2,990 of 3,206 cities in this dataset's darkest-to-brightest order.