How dark is the sky in Hartford, CT?

Hartford reads as inner-city on this dataset's scale. Among the brightest skies in this dataset. Usually just the Moon and a few of the brightest stars or planets cut through. That's brighter than 98.6% of the 3,206 US 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.

The nearest darker sky to Hartford

8 miles from Hartford, straight-line, sits New Britain, CT, the nearest city here with a darker sky than Hartford's own inner-city band.

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

Hartford against the rest of the dataset

About 122,129 people live in Hartford, CT, sized enough to appear in this dataset of 3,206 incorporated US cities. Among all 3,206 cities here, Hartford ranks 3,143 from darkest to brightest, 1 being the darkest measured.