DarkSkyCheck

St. John, IN Night Sky Brightness

St. John, IN: how dark is the sky here?

Suburban
34.4 nW/cm2/sr

St. John reads as suburban on this dataset's scale. Light dome dominates much of the sky. Only the brightest stars and planets stand out clearly. Only 74.3% of the 3,206 cities measured here read darker than St. John.

This comes from a satellite measuring light radiating upward, not a person's eyes on the ground, so it isn't the same as a Bortle class, though the two track each other closely - see the Bortle scale guide for where they can disagree.

The nearest darker sky to St. John

The closest place in this dataset with a meaningfully darker sky is Cedar Lake, IN, roughly 5 miles away in a straight line, rated suburban edge. Road distance will be more.

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

How St. John compares nationally

St. John, IN has a population of about 24,250, one of 3,206 US cities of 10,000 or more residents in this dataset. St. John places 2,369 of 3,206 cities in this dataset's darkest-to-brightest order, ranked by the method in the methodology guide.