Light pollution in Indonesia

75 cities · estimated Bortle class at each city centre

16 of 75 cities read Bortle 8–9 · 42 of 75 cities read Bortle 7–8 · 15 of 75 cities read Bortle 6–7 · 1 of 75 cities read Bortle 5–6 · 1 of 75 cities read Bortle 4–5. The darkest city centre on the list is Banjar (Bortle 4–5).

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Cities, brightest first

#	City	Bortle (est.)	Brightness	2 classes darker
1	Jakarta	8–9	255	~25 km N
2	South Tangerang	8–9	255	~25 km SSW
3	Bekasi	8–9	255	~25 km NNW
4	Tangerang	8–9	255	~25 km N
5	Depok	8–9	255	~25 km SE
6	Cileungsir	8–9	249	~25 km SSE
7	Medan	8–9	255	~25 km S
8	Surabaya	8–9	255	~25 km ESE
9	Bandung	8–9	255	~25 km NE
10	Denpasar	8–9	255	~25 km SE
11	Bogor	8–9	254	~25 km SW
12	Semarang	8–9	255	~25 km N
13	Karawang	8–9	250	~25 km S
14	Surakarta	8–9	255	~25 km NW
15	Yogyakarta	8–9	255	~25 km WNW
16	Malang	8–9	255	~25 km W
17	Makassar	7–8	255	~25 km NW
18	Bandar Lampung	7–8	255	~25 km S
19	Pekanbaru	7–8	253	~25 km NW
20	Mataram	7–8	255	~25 km WNW
21	Jember	7–8	254	~25 km NNW
22	Batam	7–8	254	~25 km ENE
23	Cilegon	7–8	236	~25 km WNW
24	Banda Aceh	7–8	255	~25 km NNE
25	Pasuruan	7–8	254	~25 km NE
26	Samarinda	7–8	255	~25 km NE
27	Serang	7–8	252	~25 km NNE
28	Binjai	7–8	249	~25 km WNW
29	Tegal	7–8	251	~25 km NNE
30	Kediri	7–8	217	~25 km WSW
31	Cirebon	7–8	242	~25 km ENE
32	Percut	7–8	194	~25 km NE
33	Pontianak	7–8	255	~25 km WNW
34	Batu	7–8	237	~25 km WSW
35	Probolinggo	7–8	254	~25 km N
36	Palembang	7–8	181	~25 km NNW
37	Banjarmasin	7–8	255	~25 km SSW
38	Pekalongan	7–8	250	~25 km N
39	Jambi City	7–8	255	~25 km N
40	Manado	7–8	253	~25 km WNW
41	Tasikmalaya	7–8	251	~25 km SE
42	Jepara	7–8	239	~25 km W
43	Kupang	7–8	255	~25 km NNW
44	Balikpapan	7–8	255	~25 km SSE
45	Kendari	7–8	255	~25 km NNE
46	Palu	7–8	255	~25 km SSW
47	Situbondo	7–8	249	~25 km NW
48	Purwokerto	7–8	227	~25 km NE
49	Madiun	7–8	252	~25 km SE
50	Banjarbaru	7–8	225	~25 km ESE
51	Padang	7–8	189	~25 km WSW
52	Gorontalo	7–8	252	~25 km SSW
53	Klungkung	7–8	201	~25 km ESE
54	Rengasdengklok	7–8	182	~25 km NE
55	Dumai	7–8	251	~25 km WNW
56	Pangkalpinang	7–8	249	~25 km E
57	Palangkaraya	7–8	254	~25 km W
58	Jayapura	7–8	224	~25 km N
59	Cilacap	6–7	242	~25 km S
60	Bengkulu	6–7	242	~25 km WSW
61	Lhokseumawe	6–7	213	~25 km NNE
62	Sukabumi	6–7	172	~25 km SE
63	Pematangsiantar	6–7	254	~25 km S
64	Ambon	6–7	241	~25 km SE
65	Tanjung Pinang	6–7	225	~25 km S
66	Bitung	6–7	198	~25 km SSE
67	Sumedang	6–7	170	~25 km ESE
68	Lubuklinggau	6–7	235	~25 km S
69	Ternate	6–7	220	~25 km SW
70	Singkawang	6–7	215	~25 km W
71	Sorong	6–7	172	~25 km WNW
72	Tarakan	6–7	202	~25 km E
73	Padangsidempuan	6–7	185	~25 km S
74	Toli-Toli	5–6	198	~25 km WNW
75	Banjar	4–5	22	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.