Johnstown, CO's night sky, measured from orbit

Johnstown reads as rural on this dataset's scale. Little local light dome. Most stars are visible; the Milky Way is faint but often findable away from town lights. Johnstown's sky is brighter than 4.8% of the 3,206 cities in this dataset.

Note the source: a satellite reading of upward light, not a visual Bortle scale reading. The two measure related but different things.

The nearest darker sky to Johnstown

9 miles from Johnstown, straight-line, sits Evans, CO, the nearest city here with a darker sky than Johnstown's own rural band.

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

How Johnstown compares nationally

Johnstown, CO has a population of about 20,639, one of 3,206 US cities of 10,000 or more residents in this dataset. Johnstown places 155 of 3,206 cities in this dataset's darkest-to-brightest order.