West Mifflin, PA's night sky, measured from orbit
Satellite radiance puts West Mifflin 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. West Mifflin's sky is brighter than 40.8% 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 West Mifflin
The closest place in this dataset with a meaningfully darker sky is Jefferson Hills, PA, roughly 5 miles away in a straight line, rated rural. Road distance will be more.
Jefferson Hills, 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 West Mifflin compares nationally
West Mifflin, PA counts roughly 18,902 residents, among the 3,206 US cities this site tracks. West Mifflin places 1,303 of 3,206 cities in this dataset's darkest-to-brightest order.