Light pollution in Turkey

158 cities · estimated Bortle class at each city centre

17 of 158 cities read Bortle 8–9 · 124 of 158 cities read Bortle 7–8 · 16 of 158 cities read Bortle 6–7 · 1 of 158 cities read Bortle 5–6. The darkest city centre on the list is Akçapınar (Bortle 5–6).

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Cities, brightest first

#	City	Bortle (est.)	Brightness	2 classes darker
1	Ankara	8–9	255	~25 km SE
2	İzmir	8–9	255	~25 km WNW
3	Istanbul	8–9	255	~25 km SSW
4	Esenyurt	8–9	255	~25 km SSW
5	Kayseri	8–9	255	~25 km SSW
6	Sancaktepe	8–9	255	~25 km SSW
7	Antalya	8–9	255	~25 km SSE
8	Adana	8–9	255	~25 km N
9	Konya	8–9	255	~25 km W
10	Gaziantep	8–9	255	~25 km S
11	Gebze	8–9	255	~25 km WSW
12	Bursa	8–9	255	~25 km SSW
13	Denizli	8–9	255	~25 km WSW
14	Malatya	8–9	255	~25 km SE
15	Antakya	8–9	255	~25 km W
16	Mersin	8–9	255	~25 km SSE
17	Diyarbakır	8–9	255	~25 km SSW
18	İzmit	7–8	254	~25 km N
19	Adapazarı	7–8	255	~25 km SSE
20	Şanlıurfa	7–8	250	~25 km SSW
21	Kahramanmaraş	7–8	255	~25 km NW
22	Eskişehir	7–8	255	~25 km NE
23	Elazığ	7–8	255	~25 km E
24	Afyonkarahisar	7–8	254	~25 km NW
25	Batman	7–8	255	~25 km S
26	Arnavutköy	7–8	241	~25 km NNE
27	Manisa	7–8	244	~25 km E
28	Kırıkkale	7–8	255	~25 km ESE
29	Belek	7–8	228	~25 km SSW
30	Menemen	7–8	247	~25 km WSW
31	Aydın	7–8	255	~25 km NNE
32	Tarsus	7–8	255	~25 km S
33	Van	7–8	255	~25 km W
34	Balıkesir	7–8	255	~25 km SSW
35	Uşak	7–8	255	~25 km NNE
36	Niğde	7–8	255	~25 km SSE
37	Kızıltepe	7–8	255	~25 km S
38	Osmaniye	7–8	255	~25 km SSE
39	Urla	7–8	246	~25 km SSW
40	Manavgat	7–8	255	~25 km SSW
41	Çorlu	7–8	255	~25 km SSW
42	Fethiye	7–8	246	~25 km WSW
43	Dörtyol	7–8	251	~25 km SW
44	Sivas	7–8	255	~25 km NNE
45	Mardin	7–8	235	~25 km E
46	Aksaray	7–8	255	~25 km NNE
47	Düzce	7–8	255	~25 km SSE
48	İskenderun	7–8	248	~25 km WNW
49	Erzurum	7–8	255	~25 km SSW
50	Nevşehir	7–8	255	~25 km SE
51	Isparta	7–8	255	~25 km SE
52	Ereğli	7–8	255	~25 km SE
53	Turgutlu	7–8	255	~25 km SE
54	Adıyaman	7–8	254	~25 km NNE
55	Samsun	7–8	255	~25 km N
56	Yalova	7–8	255	~25 km WNW
57	Erzincan	7–8	248	~25 km W
58	Karaman	7–8	255	~25 km WSW
59	Burdur	7–8	253	~25 km S
60	Çorum	7–8	255	~25 km NNW
61	Muğla	7–8	251	~25 km SSW
62	Salihli	7–8	253	~25 km NE
63	Torbalı	7–8	160	~25 km SSW
64	Kırşehir	7–8	250	~25 km W
65	Kütahya	7–8	255	~25 km E
66	Suruç	7–8	253	~25 km S
67	Akhisar	7–8	253	~25 km NNE
68	Ceyhan	7–8	255	~25 km SE
69	Alanya	7–8	249	~25 km SW
70	Samandağ	7–8	248	~25 km W
71	İnegol	7–8	255	~25 km S
72	Nazilli	7–8	255	~25 km SE
73	Elbistan	7–8	252	~25 km SSW
74	Silopi	7–8	249	~25 km NE
75	Edirne	7–8	254	~25 km NNW
76	Tokat	7–8	255	~25 km NNE
77	Ödemiş	7–8	251	~25 km WNW
78	Midyat	7–8	251	~25 km WSW
79	Reyhanlı	7–8	253	~25 km SE
80	Söke	7–8	255	~25 km W
81	Iğdır	7–8	255	~25 km NNE
82	Siirt	7–8	245	~25 km NNE
83	Trabzon	7–8	239	~25 km NNE
84	Nizip	7–8	255	~25 km NNW
85	Gemlik	7–8	243	~25 km E
86	Silifke	7–8	255	~25 km SSE
87	Cizre	7–8	255	~25 km N
88	Merzifon	7–8	254	~25 km NW
89	Amasya	7–8	250	~25 km E
90	Çubuk	7–8	248	~25 km NNW
91	Polatlı	7–8	254	~25 km N
92	Çerkezköy	7–8	213	~25 km NNE
93	Silivri	7–8	226	~25 km SSW
94	Nusaybin	7–8	231	~25 km NE
95	Karabük	7–8	254	~25 km SW
96	Bolu	7–8	255	~25 km NNE
97	Ordu	7–8	254	~25 km NNE
98	Soma	7–8	255	~25 km NE
99	Kırıkhan	7–8	255	~25 km N
100	Kadirli	7–8	253	~25 km ENE
101	Seydişehir	7–8	252	~25 km SSW
102	Erciş	7–8	255	~25 km SSW
103	Kozan	7–8	255	~25 km N
104	Akşehir	7–8	255	~25 km SSE
105	Bandırma	7–8	255	~25 km NNE
106	Ergani	7–8	244	~25 km NNW
107	Doğubayazıt	7–8	254	~25 km SSW
108	Çankırı	7–8	244	~25 km NNE
109	Tekirdağ	7–8	250	~25 km SSE
110	Turhal	7–8	255	~25 km ENE
111	Bergama	7–8	250	~25 km NNW
112	Muş	7–8	219	~25 km WSW
113	Kilis	7–8	255	~25 km SSW
114	Bolvadin	7–8	251	~25 km NE
115	Ağrı	7–8	254	~25 km N
116	Lüleburgaz	7–8	253	~25 km ENE
117	Kuşadası	7–8	236	~25 km WNW
118	Kâhta	7–8	253	~25 km SW
119	Siverek	7–8	255	~25 km W
120	Yozgat	7–8	249	~25 km NW
121	Viranşehir	7–8	231	~25 km WNW
122	Bitlis	7–8	255	~25 km NW
123	Şırnak	7–8	235	~25 km NE
124	Mustafakemalpaşa	7–8	248	~25 km S
125	Bingöl	7–8	245	~25 km SW
126	Kastamonu	7–8	250	~25 km SE
127	Bismil	7–8	251	~25 km E
128	Anamur	7–8	246	~25 km S
129	Tavşanlı	7–8	250	~25 km WNW
130	Erbaa	7–8	241	~25 km NNE
131	Sorgun	7–8	249	~25 km NNE
132	Ayvalık	7–8	227	~25 km WNW
133	Patnos	7–8	240	~25 km NE
134	Zonguldak	7–8	234	~25 km NNW
135	Rize	7–8	223	~25 km NNW
136	Bozüyük	7–8	242	~25 km W
137	Hakkâri	7–8	253	~25 km SE
138	Bilecik	7–8	254	~25 km SSW
139	Silvan	7–8	234	~25 km NNW
140	Kars	7–8	245	~25 km NW
141	Tatvan	7–8	227	~25 km ENE
142	Çanakkale	6–7	217	~25 km WNW
143	Ünye	6–7	209	~25 km N
144	Giresun	6–7	224	~25 km N
145	Kırklareli	6–7	251	~25 km NNE
146	Bafra	6–7	249	~25 km NNW
147	Zile	6–7	247	~25 km WNW
148	Ereğli	6–7	220	~25 km NNW
149	Yüksekova	6–7	220	~50 km SW
150	Bartın	6–7	242	~25 km NNW
151	Çarşamba	6–7	252	~25 km NNE
152	Arsuz	6–7	200	~25 km WSW
153	Fatsa	6–7	238	~25 km NNE
154	Biga	6–7	242	~25 km NE
155	Adilcevaz	6–7	189	~25 km S
156	Ardeşen	6–7	210	~25 km NNW
157	Ahlat	6–7	180	~25 km SE
158	Akçapınar	5–6	36	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.