How dark is the sky in River Grove, IL?

River Grove's sky measures urban here. Sky glow overhead most nights. Typically only planets, the Moon, and a handful of the brightest stars are visible. That's brighter than 92.2% 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.

Where to go for a darker sky near River Grove

Elmwood Park, IL, about 1 miles away as the crow flies, measures in the suburban band, one step darker than River Grove. Actual driving distance will run longer than that straight-line figure.

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

River Grove against the rest of the dataset

About 10,424 people live in River Grove, IL, sized enough to appear in this dataset of 3,206 incorporated US cities. Among all 3,206 cities here, River Grove ranks 2,938 from darkest to brightest, 1 being the darkest measured.