Light pollution in Ghana

6 cities · estimated Bortle class at each city centre

3 of 6 cities read Bortle 8–9 · 3 of 6 cities read Bortle 7–8. The darkest city centre on the list is Cape Coast (Bortle 7–8).

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Cities, brightest first

#	City	Bortle (est.)	Brightness	2 classes darker
1	Kumasi	8–9	255	~25 km SW
2	Accra	8–9	255	~25 km SSE
3	Atsiaman	8–9	216	~25 km NNW
4	Tamale	7–8	254	~25 km E
5	Takoradi	7–8	244	~25 km SSW
6	Cape Coast	7–8	202	~25 km SSE

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.