Light pollution in Philippines

41 cities · estimated Bortle class at each city centre

2 of 41 cities read Bortle 8–9 · 18 of 41 cities read Bortle 7–8 · 14 of 41 cities read Bortle 6–7 · 5 of 41 cities read Bortle 5–6 · 2 of 41 cities read Bortle 4–5. The darkest city centre on the list is Iligan City (Bortle 4–5).

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Cities, brightest first

#	City	Bortle (est.)	Brightness	2 classes darker
1	Quezon City	8–9	255	~25 km W
2	Paranaque City	8–9	255	~25 km WNW
3	Biñan	7–8	227	~25 km E
4	Dasmariñas	7–8	202	~25 km WNW
5	Cebu City	7–8	255	~25 km S
6	Angeles City	7–8	246	~25 km WSW
7	San Jose del Monte	7–8	186	~25 km NE
8	Calamba	7–8	209	~25 km NE
9	San Fernando	7–8	250	~25 km S
10	Davao	7–8	254	~25 km S
11	General Santos	7–8	229	~25 km S
12	Cagayan de Oro	7–8	255	~25 km NNW
13	Iloilo	7–8	255	~25 km SW
14	Malolos	7–8	179	~25 km SSW
15	Batangas	7–8	250	~25 km SW
16	Tarlac City	7–8	242	~25 km W
17	Bacolod City	7–8	255	~25 km NNW
18	Baguio	7–8	255	~25 km E
19	Lipa City	7–8	195	~25 km SSE
20	Olongapo	7–8	228	~25 km WSW
21	San Pablo	6–7	205	~25 km ENE
22	Lucena	6–7	216	~25 km SSE
23	Binangonan	6–7	130	~25 km SSE
24	Iligan	6–7	252	~25 km NNW
25	Butuan	6–7	228	~25 km NW
26	Cabanatuan City	6–7	211	~25 km ESE
27	Panabo	6–7	222	~25 km SE
28	Zamboanga	6–7	202	~25 km WSW
29	Magugpo Poblacion	6–7	223	~25 km S
30	Toledo	6–7	195	~25 km WSW
31	Tacloban	6–7	181	~25 km SE
32	Cotabato	6–7	194	~25 km W
33	Ormoc	6–7	181	~25 km S
34	Puerto Princesa	6–7	176	~25 km SE
35	Koronadal	5–6	169	~25 km ENE
36	Marawi City	5–6	165	~25 km SW
37	NIA Valencia	5–6	154	~25 km SE
38	Kabankalan	5–6	143	~25 km NNW
39	Pagadian	5–6	124	~25 km SE
40	Budta	4–5	18	not within 90 km
41	Iligan City	4–5	18	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.