DarkSkyCheck

What the night sky looks like over Flagstaff, AZ

Flagstaff'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. Only 2.2% of the 3,206 cities measured here read darker than Flagstaff.

The number comes from orbit, not a stargazer's logbook, so treat it as an estimate of sky glow rather than a certified Bortle class.

How far Flagstaff is from a meaningfully darker sky

36 miles from Flagstaff, straight-line, sits Cottonwood, AZ, the nearest city here with a darker sky than Flagstaff's own rural band.

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

Flagstaff against the rest of the dataset

Flagstaff, AZ has a population of about 77,539, one of 3,206 US cities of 10,000 or more residents in this dataset. Among all 3,206 cities here, Flagstaff ranks 70 from darkest to brightest, 1 being the darkest measured.