Port Huron, MI Night Sky Brightness
Port Huron, MI's night sky, measured from orbit
Port Huron's sky measures suburban here. Light dome dominates much of the sky. Only the brightest stars and planets stand out clearly. Only 80.5% of the 3,206 cities measured here read darker than Port Huron.
Note the source: a satellite reading of upward light, not a visual Bortle scale reading. The two measure related but different things, explained in the Bortle scale guide.
Where to go for a darker sky near Port Huron
26 miles from Port Huron, straight-line, sits New Baltimore, MI, the nearest city here with a darker sky than Port Huron's own suburban band.
New Baltimore, MI is itself still a measured city, not a designated dark-sky park, this only compares against the 3,206 places this dataset covers.
How Port Huron compares nationally
Port Huron, MI counts roughly 28,342 residents, among the 3,206 US cities this site tracks. Port Huron's position, 2,567 of 3,206, darkest to brightest, comes from the sampling method the methodology guide sets out.