How dark is the sky in Brunswick, OH?
Satellite radiance puts Brunswick in the suburban edge band. A noticeable glow near the horizon. Brighter stars and constellations are easy to pick out; the Milky Way is washed out. Brunswick's sky is brighter than 14.8% of the 3,206 cities in this dataset.
Worth remembering: this is satellite radiance, not a ground observation. A true Bortle rating needs a human eye at night, this is the closest large-scale substitute.
How far Brunswick is from a meaningfully darker sky
Brecksville, OH, about 11 miles away as the crow flies, measures in the rural band, one step darker than Brunswick. Actual driving distance will run longer than that straight-line figure.
Brecksville, OH is itself still a measured city, not a designated dark-sky park, this only compares against the 3,206 places this dataset covers.
Brunswick against the rest of the dataset
About 35,166 people live in Brunswick, OH, sized enough to appear in this dataset of 3,206 incorporated US cities. Among all 3,206 cities here, Brunswick ranks 473 from darkest to brightest, 1 being the darkest measured.