Irondale, AL Night Sky Brightness
How dark is the sky in Irondale, AL?
Irondale's sky measures rural here. Little local light dome. Most stars are visible; the Milky Way is faint but often findable away from town lights. That's brighter than 11% 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, covered fully in the Bortle scale guide.
The nearest darker sky to Irondale
Pelham, AL, about 16 miles away as the crow flies, measures in the dark sky band, one step darker than Irondale. Actual driving distance will run longer than that straight-line figure.
Pelham, AL is itself still a measured city, not a designated dark-sky park, this only compares against the 3,206 places this dataset covers.
Irondale against the rest of the dataset
Irondale, AL counts roughly 13,545 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, Irondale comes in at 352, darkest to brightest.