How dark is the sky in Bay St. Louis, MS?
Bay St. Louis reads as rural on this dataset's scale. Little local light dome. Most stars are visible; the Milky Way is faint but often findable away from town lights. Only 6.7% of the 3,206 cities measured here read darker than Bay St. Louis.
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 Bay St. Louis
Saraland, AL, about 83 miles away as the crow flies, measures in the dark sky band, one step darker than Bay St. Louis. Actual driving distance will run longer than that straight-line figure.
Saraland, AL is itself still a measured city, not a designated dark-sky park, this only compares against the 3,206 places this dataset covers.
Bay St. Louis against the rest of the dataset
Bay St. Louis, MS counts roughly 10,526 residents, among the 3,206 US cities this site tracks. Among all 3,206 cities here, Bay St. Louis ranks 215 from darkest to brightest, 1 being the darkest measured.