Light pollution in Belgium

19 cities · estimated Bortle class at each city centre

8 of 19 cities read Bortle 8–9 · 11 of 19 cities read Bortle 7–8. The darkest city centre on the list is Verviers (Bortle 7–8).

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Cities, brightest first

#	City	Bortle (est.)	Brightness	2 classes darker
1	Brussels	8–9	255	~25 km ESE
2	Antwerp	8–9	255	~25 km NW
3	Mechelen	8–9	255	~25 km ESE
4	Gent	8–9	255	~25 km NNW
5	Charleroi	8–9	255	~25 km SSW
6	Kortrijk	8–9	255	~25 km SE
7	Aalst	8–9	254	~25 km WSW
8	Liège	8–9	255	~25 km SSW
9	Sint-Niklaas	7–8	254	~25 km N
10	La Louvière	7–8	251	~25 km S
11	Leuven	7–8	255	~25 km NE
12	Roeselare	7–8	255	~25 km W
13	Mons	7–8	255	~25 km SE
14	Tournai	7–8	255	~25 km ENE
15	Brugge	7–8	255	~25 km NW
16	Hasselt	7–8	255	~25 km N
17	Namur	7–8	255	~25 km ESE
18	Ostend	7–8	255	~25 km NNW
19	Verviers	7–8	255	~25 km ESE

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.