Wood River, IL Night Sky Brightness
How dark is the sky in Wood River, IL?
Wood River'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 61.2% 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.
How far Wood River is from a meaningfully darker sky
9 miles from Wood River, straight-line, sits Glen Carbon, IL, the nearest city here with a darker sky than Wood River's own suburban band.
Glen Carbon, IL is itself still a measured city, not a designated dark-sky park, this only compares against the 3,206 places this dataset covers.
Wood River against the rest of the dataset
About 10,251 people live in Wood River, IL, sized enough to appear in this dataset of 3,206 incorporated US cities. Ranked against the other 3,206 cities here by the methodology guide's own sampling, Wood River comes in at 1,952, darkest to brightest.