Eugene, OR: how dark is the sky here?

Satellite radiance puts Eugene in the urban band. Sky glow overhead most nights. Typically only planets, the Moon, and a handful of the brightest stars are visible. That's brighter than 91.8% of the 3,206 US 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.

How far Eugene is from a meaningfully darker sky

The closest place in this dataset with a meaningfully darker sky is Springfield, OR, roughly 7 miles away in a straight line, rated suburban. Road distance will be more.

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

How Eugene compares nationally

Eugene, OR counts roughly 178,786 residents, among the 3,206 US cities this site tracks. Eugene places 2,927 of 3,206 cities in this dataset's darkest-to-brightest order.