Springfield, OR Night Sky Brightness
Springfield, OR's night sky, measured from orbit
Springfield's sky measures suburban here. Light dome dominates much of the sky. Only the brightest stars and planets stand out clearly. That's brighter than 72% 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 Springfield
18 miles from Springfield, straight-line, sits Cottage Grove, OR, the nearest city here with a darker sky than Springfield's own suburban band.
Cottage Grove, 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 Springfield compares nationally
Springfield, OR has a population of about 61,182, one of 3,206 US cities of 10,000 or more residents in this dataset. Springfield's position, 2,296 of 3,206, darkest to brightest, comes from the sampling method the methodology guide sets out.