Light pollution in Italy

97 cities · estimated Bortle class at each city centre

24 of 97 cities read Bortle 8–9 · 71 of 97 cities read Bortle 7–8 · 2 of 97 cities read Bortle 6–7. The darkest city centre on the list is Bolzano (Bortle 6–7).

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Cities, brightest first

#	City	Bortle (est.)	Brightness	2 classes darker
1	Milan	8–9	255	~25 km SSE
2	Rome	8–9	255	~25 km WNW
3	Busto Arsizio	8–9	255	~25 km WSW
4	Padua	8–9	255	~25 km ESE
5	Turin	8–9	255	~25 km E
6	Naples	8–9	255	~25 km SSW
7	Bergamo	8–9	255	~25 km NNE
8	Brescia	8–9	255	~25 km NNE
9	Mestre	8–9	255	~25 km SE
10	Verona	8–9	255	~25 km NNE
11	Treviso	8–9	255	~25 km SE
12	Caserta	8–9	255	~25 km NNE
13	Vicenza	8–9	255	~25 km W
14	Modena	8–9	255	~25 km SSW
15	Bologna	8–9	255	~25 km SW
16	Como	8–9	251	~25 km NE
17	Reggio nell'Emilia	8–9	255	~25 km SW
18	Acilia-Castel Fusano-Ostia Antica	8–9	226	~25 km WSW
19	Aprilia	8–9	250	~25 km SW
20	Prato	8–9	255	~25 km N
21	Lecce	8–9	255	~25 km NE
22	Florence	8–9	255	~25 km E
23	Guidonia Montecelio	8–9	229	~25 km NE
24	Parma	8–9	255	~25 km SW
25	Pescara	7–8	255	~25 km E
26	Catania	7–8	244	~25 km ESE
27	Castellammare di Stabia	7–8	255	~25 km S
28	Salerno	7–8	253	~25 km SSW
29	Varese	7–8	255	~25 km N
30	Piacenza	7–8	255	~25 km SW
31	Bari	7–8	252	~25 km NE
32	Carpi	7–8	255	~25 km ENE
33	Latina	7–8	255	~25 km SSW
34	Cosenza	7–8	254	~25 km WSW
35	Cesena	7–8	255	~25 km ENE
36	Ravenna	7–8	255	~25 km NE
37	Pavia	7–8	255	~25 km SSE
38	Palermo	7–8	255	~25 km NNE
39	Cagliari	7–8	255	~25 km SSE
40	Taranto	7–8	231	~25 km SSW
41	Udine	7–8	255	~25 km NE
42	Rovigo	7–8	255	~25 km SE
43	Novara	7–8	255	~25 km WNW
44	Rimini	7–8	255	~25 km NE
45	Ferrara	7–8	255	~25 km SSE
46	Lucca	7–8	255	~25 km WSW
47	Vittoria	7–8	255	~25 km WSW
48	Messina	7–8	251	~25 km NNW
49	Pisa	7–8	255	~25 km WSW
50	Perugia	7–8	248	~25 km NW
51	Forlì	7–8	252	~25 km WSW
52	Viareggio	7–8	255	~25 km WSW
53	Andria	7–8	255	~25 km NNE
54	Alessandria	7–8	255	~25 km NNE
55	Benevento	7–8	255	~25 km NE
56	Teramo	7–8	253	~25 km SW
57	Ragusa	7–8	221	~25 km SSW
58	Catanzaro	7–8	222	~25 km SE
59	Siracusa	7–8	255	~25 km ENE
60	Massa	7–8	251	~25 km SSW
61	Genoa	7–8	255	~25 km S
62	Vigevano	7–8	255	~25 km SW
63	Cremona	7–8	240	~25 km S
64	Imola	7–8	255	~25 km SW
65	Cuneo	7–8	239	~25 km SW
66	Foggia	7–8	255	~25 km E
67	Terni	7–8	255	~25 km ENE
68	Ancona	7–8	254	~25 km NE
69	Lamezia Terme	7–8	254	~25 km WSW
70	Caltanissetta	7–8	248	~25 km NNW
71	Trapani	7–8	255	~25 km NNW
72	Trieste	7–8	255	~25 km WSW
73	Brindisi	7–8	255	~25 km NE
74	Molfetta	7–8	247	~25 km NNE
75	Trento	7–8	250	~25 km ENE
76	Asti	7–8	255	~25 km NNW
77	Sassari	7–8	255	~25 km N
78	Arezzo	7–8	255	~25 km SE
79	Livorno	7–8	255	~25 km W
80	Marsala	7–8	248	~25 km WNW
81	Altamura	7–8	254	~25 km SW
82	Foligno	7–8	255	~25 km ESE
83	Matera	7–8	255	~25 km WSW
84	Potenza	7–8	253	~25 km SE
85	Pesaro	7–8	250	~25 km NNE
86	Siena	7–8	255	~25 km SSW
87	La Spezia	7–8	235	~25 km WSW
88	Cerignola	7–8	254	~25 km NNE
89	Mazara del Vallo	7–8	251	~25 km SW
90	Crotone	7–8	237	~25 km E
91	San Severo	7–8	254	~25 km N
92	Gela	7–8	247	~25 km SSW
93	Grosseto	7–8	255	~25 km SSW
94	Olbia	7–8	248	~25 km NE
95	Savona	7–8	251	~25 km SE
96	Manfredonia	6–7	248	~25 km E
97	Bolzano	6–7	255	~25 km N

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.