Light pollution in Spain

102 cities · estimated Bortle class at each city centre

13 of 102 cities read Bortle 8–9 · 84 of 102 cities read Bortle 7–8 · 4 of 102 cities read Bortle 6–7 · 1 of 102 cities read Bortle 5–6. The darkest city centre on the list is Campiña (Bortle 5–6).

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Cities, brightest first

#	City	Bortle (est.)	Brightness	2 classes darker
1	Madrid	8–9	255	~25 km NNW
2	Móstoles	8–9	255	~25 km WNW
3	Mollet del Vallès	8–9	255	~25 km SE
4	Sevilla	8–9	255	~25 km SSW
5	Barcelona	8–9	255	~25 km SE
6	Valencia	8–9	255	~25 km ESE
7	Alcobendas	8–9	255	~25 km N
8	Murcia	8–9	255	~25 km W
9	Terrassa	8–9	255	~25 km NNE
10	Las Rozas de Madrid	8–9	255	~25 km WSW
11	Orihuela	8–9	249	~25 km NNW
12	Alcalá de Henares	8–9	250	~25 km ESE
13	Valdemoro	8–9	253	~25 km E
14	Granada	7–8	255	~25 km E
15	Vigo	7–8	254	~25 km W
16	Zaragoza	7–8	255	~25 km NNW
17	Collado-Villalba	7–8	252	~25 km NNE
18	Rivas-Vaciamadrid	7–8	212	~25 km SE
19	Pontevedra	7–8	255	~25 km WSW
20	Las Palmas de Gran Canaria	7–8	249	~25 km NE
21	Málaga	7–8	255	~25 km SSE
22	Bilbao	7–8	252	~25 km NNE
23	Valladolid	7–8	255	~25 km SE
24	Elche	7–8	255	~25 km SE
25	Alicante	7–8	228	~25 km ESE
26	Palma	7–8	245	~25 km NW
27	Tarragona	7–8	255	~25 km S
28	Castelló de la Plana	7–8	255	~25 km ESE
29	A Coruña	7–8	249	~25 km NW
30	Jerez de la Frontera	7–8	255	~25 km NNW
31	Cartagena	7–8	255	~25 km SSE
32	Oviedo	7–8	255	~25 km WSW
33	Guadalajara	7–8	246	~25 km ENE
34	Huelva	7–8	255	~25 km SSW
35	Pamplona	7–8	255	~25 km NNE
36	Santander	7–8	254	~25 km N
37	Castelldefels	7–8	251	~25 km SSE
38	Torrevieja	7–8	255	~25 km E
39	Gijón	7–8	255	~25 km NNE
40	Toledo	7–8	236	~25 km SSW
41	Vilanova i la Geltrú	7–8	253	~25 km SSE
42	Sagunto	7–8	213	~25 km ESE
43	Manresa	7–8	252	~25 km NNE
44	Mataró	7–8	248	~25 km SSE
45	Salamanca	7–8	255	~25 km SSW
46	Chiclana de la Frontera	7–8	253	~25 km SW
47	Burgos	7–8	254	~25 km E
48	Ferrol	7–8	254	~25 km NNW
49	Córdoba	7–8	255	~25 km WNW
50	Santiago de Compostela	7–8	251	~25 km ENE
51	Santa Cruz de Tenerife	7–8	255	~25 km ESE
52	Lleida	7–8	255	~25 km SSE
53	León	7–8	255	~25 km NE
54	Torrelavega	7–8	248	~25 km NW
55	Aranjuez	7–8	250	~25 km E
56	Almería	7–8	255	~25 km SSE
57	Cadiz	7–8	230	~25 km SW
58	Gandia	7–8	254	~25 km NE
59	Avilés	7–8	255	~25 km NNW
60	Arona	7–8	199	~25 km SW
61	Gasteiz / Vitoria	7–8	255	~25 km NW
62	Benidorm	7–8	216	~25 km SSE
63	Lorca	7–8	250	~25 km WNW
64	Algeciras	7–8	255	~25 km ESE
65	Roquetas de Mar	7–8	235	~25 km SSE
66	Logroño	7–8	255	~25 km NNW
67	Elda	7–8	255	~25 km W
68	Girona	7–8	251	~25 km W
69	Segovia	7–8	245	~25 km ENE
70	Melilla	7–8	240	~25 km NNE
71	Albacete	7–8	254	~25 km S
72	Badajoz	7–8	255	~25 km NW
73	Palencia	7–8	254	~25 km NE
74	Donostia / San Sebastián	7–8	255	~25 km NW
75	El Ejido	7–8	253	~25 km S
76	Arrecife	7–8	244	~25 km ESE
77	Marbella	7–8	253	~25 km S
78	Jaén	7–8	243	~25 km SE
79	Ourense	7–8	255	~25 km SW
80	Ponferrada	7–8	253	~25 km SSE
81	Sanlúcar de Barrameda	7–8	253	~25 km WSW
82	Utrera	7–8	255	~25 km WSW
83	Huesca	7–8	255	~25 km NNE
84	Irun	7–8	252	~25 km NNW
85	Mérida	7–8	255	~25 km SSE
86	Vélez-Málaga	7–8	240	~25 km S
87	Motril	7–8	240	~25 km S
88	Mijas	7–8	140	~25 km SSE
89	Alcoy	7–8	250	~25 km E
90	Cáceres	7–8	243	~25 km SW
91	Talavera de la Reina	7–8	243	~25 km NNE
92	Santa Lucía	7–8	157	~25 km SSE
93	Linares	7–8	255	~25 km NNW
94	Puertollano	7–8	255	~25 km S
95	Ciudad Real	7–8	247	~25 km WNW
96	Zamora	7–8	255	~25 km WNW
97	Ceuta	7–8	243	~25 km ENE
98	Lugo	6–7	255	~25 km NW
99	Estepona	6–7	227	~25 km SSE
100	Ávila	6–7	229	~25 km SW
101	Cuenca	6–7	251	~25 km NE
102	Campiña	5–6	35	not within 90 km

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.