Lightest Cities in Brazil

Cities ranked by lowest overall stargazing score (current) Brazil
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Lightest Cities Darkest Cities

Stargazing rankings for 97 cities across Brazil. Cities are sorted by current overall score (sky darkness, moon, weather, and viewing window).

Lightest Skies in Brazil

The lightest skies in Brazil right now are in São João de Meriti (30), followed by Rio de Janeiro (30), Nova Iguaçu (30). Currently, 29 out of 97 monitored cities in Brazil have a stargazing score below 40.

1
br

São João de Meriti

Brazil

30

Current score
2
br

Rio de Janeiro

Brazil

30

Current score
3
br

Nova Iguaçu

Brazil

30

Current score
4
br

Duque de Caxias

Brazil

30

Current score
5
br

Belford Roxo

Brazil

30

Current score
6
br

Niterói

Brazil

31

Current score
7
br

Petrópolis

Brazil

33

Current score
8
br

Itaquaquecetuba

Brazil

33

Current score
9
br

Suzano

Brazil

34

Current score
10
br

Mogi das Cruzes

Brazil

34

Current score
11
br

Guarulhos

Brazil

34

Current score
12
br

São José dos Campos

Brazil

35

Current score
13
br

Campinas

Brazil

35

Current score
14
br

Taubaté

Brazil

36

Current score
15
br

São Paulo

Brazil

36

Current score
16
br

Sumaré

Brazil

36

Current score
17
br

Osasco

Brazil

36

Current score
18
br

Jundiaí

Brazil

36

Current score
19
br

Indaiatuba

Brazil

36

Current score
20
br

Carapicuíba

Brazil

36

Current score
21
br

São Bernardo do Campo

Brazil

37

Current score
22
br

Santo André

Brazil

37

Current score
23
br

Mauá

Brazil

37

Current score
24
br

Diadema

Brazil

37

Current score
25
br

Limeira

Brazil

38

Current score
26
br

Cotia

Brazil

38

Current score
27
br

Barueri

Brazil

38

Current score
28
br

Santos

Brazil

39

Current score
29
br

Pelotas

Brazil

39

Current score
30
br

Piracicaba

Brazil

40

Current score
31
br

São Vicente

Brazil

41

Current score
32
br

Juiz de Fora

Brazil

41

Current score
33
br

Guarujá

Brazil

41

Current score
34
br

Praia Grande

Brazil

42

Current score
35
br

Florianópolis

Brazil

42

Current score
36
br

Sorocaba

Brazil

45

Current score
37
br

Manaus

Brazil

45

Current score
38
br

Blumenau

Brazil

45

Current score
39
br

Ribeirão Preto

Brazil

47

Current score
40
br

Campos dos Goytacazes

Brazil

47

Current score
41
br

Franca

Brazil

50

Current score
42
br

Bauru

Brazil

50

Current score
43
br

São Luís

Brazil

51

Current score
44
br

Canoas

Brazil

51

Current score
45
br

Belo Horizonte

Brazil

51

Current score
46
br

Ribeirão das Neves

Brazil

52

Current score
47
br

Novo Hamburgo

Brazil

52

Current score
48
br

Contagem

Brazil

52

Current score
49
br

Betim

Brazil

52

Current score
50
br

Caxias do Sul

Brazil

53

Current score
51
br

Caucaia

Brazil

53

Current score
52
br

Vitória

Brazil

54

Current score
53
br

Vila Velha

Brazil

54

Current score
54
br

Uberlândia

Brazil

54

Current score
55
br

Uberaba

Brazil

54

Current score
56
br

Serra

Brazil

54

Current score
57
br

Porto Alegre

Brazil

54

Current score
58
br

Fortaleza

Brazil

54

Current score
59
br

Brasília

Brazil

54

Current score
60
br

Viamão

Brazil

55

Current score
61
br

São José do Rio Preto

Brazil

56

Current score
62
br

Santa Maria

Brazil

56

Current score
63
br

Paulista

Brazil

56

Current score
64
br

Olinda

Brazil

56

Current score
65
br

Curitiba

Brazil

56

Current score
66
br

Boa Vista

Brazil

56

Current score
67
br

Salvador

Brazil

57

Current score
68
br

Recife

Brazil

57

Current score
69
br

Joinville

Brazil

57

Current score
70
br

Jaboatão dos Guararapes

Brazil

57

Current score
71
br

Foz do Iguaçu

Brazil

57

Current score
72
br

Belém

Brazil

57

Current score
73
br

Ananindeua

Brazil

57

Current score
74
br

Teresina

Brazil

58

Current score
75
br

Macapá

Brazil

58

Current score
76
br

Goiânia

Brazil

58

Current score
77
br

Aparecida de Goiânia

Brazil

58

Current score
78
br

João Pessoa

Brazil

59

Current score
79
br

Cuiabá

Brazil

59

Current score
80
br

Anápolis

Brazil

60

Current score
81
br

Palmas

Brazil

61

Current score
82
br

Vitória da Conquista

Brazil

62

Current score
83
br

Porto Velho

Brazil

62

Current score
84
br

Parnamirim

Brazil

62

Current score
85
br

Natal

Brazil

62

Current score
86
br

Maceió

Brazil

62

Current score
87
br

Londrina

Brazil

62

Current score
88
br

Feira de Santana

Brazil

62

Current score
89
br

Cascavel

Brazil

63

Current score
90
br

Ponta Grossa

Brazil

64

Current score
91
br

Campina Grande

Brazil

64

Current score
92
br

Aracaju

Brazil

64

Current score
93
br

Maringá

Brazil

67

Current score
94
br

Campo Grande

Brazil

67

Current score
95
br

Governador Valadares

Brazil

68

Current score
96
br

Rio Branco

Brazil

70

Current score
97
br

Montes Claros

Brazil

71

Current score

Understanding Sky Darkness Score

80-100

Excellent

Very dark skies with minimal artificial light. Ideal for deep-sky observation.

70-79

Good

Dark skies suitable for most stargazing. Some distant glow may be visible.

40-69

Moderate

Noticeable sky glow from nearby towns. Brighter objects remain visible.

20-39

Poor

Strong light pollution limits visibility of fainter stars and the Milky Way.

0-19

Severe

Heavy urban sky glow. Only the brightest stars and planets are easy to see.

The sky darkness score runs from 0 to 100. Higher scores mean darker skies with less artificial light at night. Lower scores indicate brighter, more light-polluted skies.

Source: Light pollution research datasets

Last updated: 20 Sep 17:07

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