Light pollution in Libya

6 cities · estimated Bortle class at each city centre

4 of 6 cities read Bortle 8–9 · 2 of 6 cities read Bortle 7–8. The darkest city centre on the list is Al Khums (Bortle 7–8).

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Cities, brightest first

#	City	Bortle (est.)	Brightness	2 classes darker
1	Az Zāwīyah	8–9	255	~25 km N
2	Tripoli	8–9	255	~25 km NNW
3	Misratah	8–9	255	~25 km NE
4	Zliten	8–9	255	~25 km NNE
5	Benghazi	7–8	254	~25 km WNW
6	Al Khums	7–8	253	~25 km NE

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.