DarkSkyCheck

Florissant, MO Night Sky Brightness

How dark is the sky in Florissant, MO?

Suburban
34.3 nW/cm2/sr

Florissant's sky measures suburban here. Light dome dominates much of the sky. Only the brightest stars and planets stand out clearly. Florissant's sky is brighter than 74.1% 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, covered fully in the Bortle scale guide.

How far Florissant is from a meaningfully darker sky

Ferguson, MO, about 4 miles away as the crow flies, measures in the suburban edge band, one step darker than Florissant. Actual driving distance will run longer than that straight-line figure.

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

Florissant against the rest of the dataset

Florissant, MO counts roughly 51,290 residents, among the 3,206 US cities this site tracks. Ranked against the other 3,206 cities here by the methodology guide's own sampling, Florissant comes in at 2,363, darkest to brightest.