YozoraAtlas

How dark is the sky in Campania?

Sky darkness for 8 towns and parks in Campania, worked out from NASA satellite images of light at night (2025). 2 of them have skies of Bortle 4 or darker, where the Milky Way shows overhead. The darkest is Cilento and Vallo di Diano National Park (20.72, Bortle 4), the brightest Naples (18.09, Bortle 8). Milky Way season in Campania runs March to August: on moonless nights the bright core stands clear of the horizon, climbing to about 21° at its highest.

19 Bortle class, 1 pristine to 9 city center park or dark-sky place city

Numbers like 21.95 or 16.97 are the brightness of the sky overhead on a clear, moonless night, in mag/arcsec². The scale runs backwards: a lower number means a brighter sky, from about 22 for a natural sky to about 17 in a city center.
How the readings are made

NASA satellite night-lights map of Campania with every place marked

Darkest skies in Campania

  1. Cilento and Vallo di Diano National ParkBortle 420.72
  2. Matese National ParkBortle 420.54

Among the places on this site. Plenty of land between them is just as dark, with no town or park to name it by.

Brightest city skies in Campania

  1. NaplesBortle 818.09
  2. CasertaBortle 718.71
  3. Castellammare di StabiaBortle 718.92
  4. SalernoBortle 619.01
  5. BeneventoBortle 619.36

All 8 places in Campania

Amber names are parks and certified dark-sky places. The figure is the Bortle class: 1 darkest, 9 city center.
Benevento6Caserta7Castellammare di Stabia7Cilento and Vallo di Diano National Park4Matese National Park4Naples8Salerno6Vesuvius National Park6