Light pollution in Benin
3 cities · estimated Bortle class at each city centre
2 of 3 cities read Bortle 7–8 · 1 of 3 cities read Bortle 6–7.
The darkest city centre on the list is Parakou (Bortle 6–7).
Cities, brightest first
Brightness is the NASA VIIRS Black Marble 2016 value at the city centre on a 0–255 scale; 255 is saturated.
Cities are ordered by estimated sky brightness, which also counts the light within 30 km.
Night lights: NASA VIIRS Black Marble 2016 annual composite via NASA GIBS (public domain) · Cities and population: GeoNames (CC BY 4.0)
· Calibration: Globe at Night sky-quality-meter measurements 2014–2018 (CC BY 4.0, globeatnight.org)
· The Bortle class is our own estimate from upward night-light brightness, not an on-site sky-quality measurement.Digital Dynamics Kft. (EU)
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