DarkSkyCheck

Chambersburg, PA Night Sky Brightness

Chambersburg, PA: how dark is the sky here?

Suburban
42.1 nW/cm2/sr

Satellite radiance puts Chambersburg in the suburban band. Light dome dominates much of the sky. Only the brightest stars and planets stand out clearly. That's brighter than 82.8% of the 3,206 US cities in this dataset.

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 Chambersburg

The closest place in this dataset with a meaningfully darker sky is Carlisle, PA, roughly 30 miles away in a straight line, rated suburban edge. Road distance will be more.

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

How Chambersburg compares nationally

Chambersburg, PA has a population of about 23,041, one of 3,206 US cities of 10,000 or more residents in this dataset. Chambersburg places 2,639 of 3,206 cities in this dataset's darkest-to-brightest order, ranked by the method in the methodology guide.