DarkSkyCheck

Gladstone, OR Night Sky Brightness

Gladstone, OR's night sky, measured from orbit

Suburban edge
13.3 nW/cm2/sr

Gladstone's sky measures suburban edge here. A noticeable glow near the horizon. Brighter stars and constellations are easy to pick out; the Milky Way is washed out. That's brighter than 24.5% of the 3,206 US cities in this dataset.

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 Gladstone

6 miles from Gladstone, straight-line, sits Lake Oswego, OR, the nearest city here with a darker sky than Gladstone's own suburban edge band.

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

How Gladstone compares nationally

About 11,898 people live in Gladstone, OR, sized enough to appear in this dataset of 3,206 incorporated US cities. Gladstone's position, 782 of 3,206, darkest to brightest, comes from the sampling method the methodology guide sets out.