DarkSkyCheck

What the night sky looks like over Algonquin, IL

Satellite radiance puts Algonquin in the suburban edge band. A noticeable glow near the horizon. Brighter stars and constellations are easy to pick out; the Milky Way is washed out. Algonquin's sky is brighter than 22% of the 3,206 cities in this dataset.

The number comes from orbit, not a stargazer's logbook, so treat it as an estimate of sky glow rather than a certified Bortle class.

How far Algonquin is from a meaningfully darker sky

The closest place in this dataset with a meaningfully darker sky is Wauconda, IL, roughly 13 miles away in a straight line, rated rural. Road distance will be more.

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

Algonquin against the rest of the dataset

Algonquin, IL counts roughly 30,539 residents, among the 3,206 US cities this site tracks. Among all 3,206 cities here, Algonquin ranks 702 from darkest to brightest, 1 being the darkest measured.