DarkSkyCheck

Grand Rapids, MI Night Sky Brightness

Grand Rapids, MI: how dark is the sky here?

Suburban
38.1 nW/cm2/sr

Satellite radiance puts Grand Rapids in the suburban band. Light dome dominates much of the sky. Only the brightest stars and planets stand out clearly. Only 78.8% of the 3,206 cities measured here read darker than Grand Rapids.

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 - see the Bortle scale guide for where they can disagree.

How far Grand Rapids is from a meaningfully darker sky

East Grand Rapids, MI, about 3 miles away as the crow flies, measures in the suburban edge band, one step darker than Grand Rapids. Actual driving distance will run longer than that straight-line figure.

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

How Grand Rapids compares nationally

Grand Rapids, MI has a population of about 200,117, one of 3,206 US cities of 10,000 or more residents in this dataset. Grand Rapids places 2,513 of 3,206 cities in this dataset's darkest-to-brightest order, ranked by the method in the methodology guide.