DarkSkyCheck

How dark is the sky in Bloomington, IN?

Bloomington 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. Only 88.8% of the 3,206 cities measured here read darker than Bloomington.

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 Bloomington is from a meaningfully darker sky

Martinsville, IN, about 18 miles away as the crow flies, measures in the suburban band, one step darker than Bloomington. Actual driving distance will run longer than that straight-line figure.

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

Bloomington against the rest of the dataset

About 79,986 people live in Bloomington, IN, sized enough to appear in this dataset of 3,206 incorporated US cities. Among all 3,206 cities here, Bloomington ranks 2,831 from darkest to brightest, 1 being the darkest measured.