Global rankings

Global Light Pollution Rankings by Country / Region

Search, sort, and compare average SQM and artificial brightness across country and region entries.

Explore a global ranking of country and region entries by average SQM and artificial sky brightness. Search the list, sort the results, and open yearly trends to compare long-term changes in darker and brighter skies.

This list includes light pollution across regions worldwide.
Year 2025
Countries / regions 244
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▾
#1
バーレーン
Bahrain
bh
Avg SQM
17.59
Ratio
57.126
Bortle ≤ 4
0.0%
Pixels
991
#2
シンガポール
Singapore
sg
Avg SQM
17.67
Ratio
52.913
Bortle ≤ 4
0.0%
Pixels
638
#3
バチカン市国
Vatican City
va
Avg SQM
17.76
Ratio
48.522
Bortle ≤ 4
0.0%
Pixels
1
#4
マカオ, 中国
Macao, China
mo
Avg SQM
17.78
Ratio
47.758
Bortle ≤ 4
0.0%
Pixels
64
#5
カタール
Qatar
qa
Avg SQM
18.39
Ratio
26.714
Bortle ≤ 4
9.6%
Pixels
14656
#6
香港, 中国
Hong Kong, China
hk
Avg SQM
18.51
Ratio
23.803
Bortle ≤ 4
0.0%
Pixels
1526
#7
ジブラルタル
Gibraltar
gi
Avg SQM
18.98
Ratio
15.158
Bortle ≤ 4
0.0%
Pixels
11
#8
クウェート
Kuwait
kw
Avg SQM
19.00
Ratio
14.839
Bortle ≤ 4
25.6%
Pixels
23753
#9
マルタ
Malta
mt
Avg SQM
19.18
Ratio
12.378
Bortle ≤ 4
7.1%
Pixels
505
#10
イスラエル
Israel
il
Avg SQM
19.21
Ratio
12.074
Bortle ≤ 4
35.0%
Pixels
30756
#11
モナコ
Monaco
mc
Avg SQM
19.39
Ratio
10.074
Bortle ≤ 4
0.0%
Pixels
37
#12
アラブ首長国連邦
United Arab Emirates
ae
Avg SQM
19.58
Ratio
8.309
Bortle ≤ 4
56.1%
Pixels
91533
#13
シント・マールテン
Sint Maarten
sx
Avg SQM
19.58
Ratio
8.283
Bortle ≤ 4
0.0%
Pixels
39
#14
サンマリノ
San Marino
sm
Avg SQM
19.63
Ratio
7.898
Bortle ≤ 4
0.0%
Pixels
113
#15
トリニダード・トバゴ
Trinidad and Tobago
tt
Avg SQM
19.70
Ratio
7.282
Bortle ≤ 4
37.6%
Pixels
6282
#16
オランダ
Netherlands
nl
Avg SQM
19.74
Ratio
7.028
Bortle ≤ 4
33.4%
Pixels
71564
#17
台湾, 中国
Taiwan, China
tw
Avg SQM
19.75
Ratio
6.982
Bortle ≤ 4
49.2%
Pixels
46711
#18
韓国
Republic of Korea
kr
Avg SQM
19.77
Ratio
6.819
Bortle ≤ 4
41.4%
Pixels
144708
#19
ベルギー
Belgium
be
Avg SQM
19.85
Ratio
6.260
Bortle ≤ 4
31.0%
Pixels
56689
#20
イラク
Iraq
iq
Avg SQM
19.90
Ratio
5.913
Bortle ≤ 4
67.8%
Pixels
609536
#21
アルバ
Aruba
aw
Avg SQM
19.97
Ratio
5.491
Bortle ≤ 4
23.4%
Pixels
222
#22
プエルトリコ
Puerto Rico
pr
Avg SQM
19.98
Ratio
5.423
Bortle ≤ 4
34.4%
Pixels
11302
#23
キュラソー
Curaçao
cw
Avg SQM
20.07
Ratio
4.923
Bortle ≤ 4
52.7%
Pixels
599
#24
Akrotiri
wsb
Avg SQM
20.09
Ratio
4.816
Bortle ≤ 4
26.4%
Pixels
182
#25
イタリア
Italy
it
Avg SQM
20.16
Ratio
4.428
Bortle ≤ 4
52.6%
Pixels
480626
#26
サン・マルタン
Saint-Martin
mf
Avg SQM
20.17
Ratio
4.380
Bortle ≤ 4
24.8%
Pixels
105
#27
ルクセンブルク
Luxembourg
lu
Avg SQM
20.21
Ratio
4.190
Bortle ≤ 4
49.8%
Pixels
4821
#28
レバノン
Lebanon
lb
Avg SQM
20.26
Ratio
3.951
Bortle ≤ 4
47.5%
Pixels
14282
#29
バルバドス
Barbados
bb
Avg SQM
20.28
Ratio
3.885
Bortle ≤ 4
51.9%
Pixels
584
#30
グアム
Guam
gu
Avg SQM
20.29
Ratio
3.811
Bortle ≤ 4
46.6%
Pixels
736
#31
Dhekelia
esb
Avg SQM
20.36
Ratio
3.525
Bortle ≤ 4
34.9%
Pixels
232
#32
キプロス
Cyprus
cy
Avg SQM
20.48
Ratio
3.039
Bortle ≤ 4
68.5%
Pixels
7856
#33
米領ヴァージン諸島
United States Virgin Islands
vi
Avg SQM
20.50
Ratio
2.993
Bortle ≤ 4
61.5%
Pixels
494
#34
モーリシャス
Mauritius
mu
Avg SQM
20.52
Ratio
2.925
Bortle ≤ 4
69.5%
Pixels
2608
#35
コソボ
Kosovo
xk
Avg SQM
20.53
Ratio
2.866
Bortle ≤ 4
67.0%
Pixels
17446
#36
ポルトガル
Portugal
pt
Avg SQM
20.55
Ratio
2.793
Bortle ≤ 4
72.6%
Pixels
139249
#37
ヨルダン
Jordan
jo
Avg SQM
20.57
Ratio
2.733
Bortle ≤ 4
81.9%
Pixels
121693
#38
Northern Cyprus
cyn
Avg SQM
20.58
Ratio
2.702
Bortle ≤ 4
73.1%
Pixels
4887
#39
ケイマン諸島
Cayman Islands
ky
Avg SQM
20.61
Ratio
2.607
Bortle ≤ 4
73.6%
Pixels
444
#40
イギリス
United Kingdom
gb
Avg SQM
20.61
Ratio
2.603
Bortle ≤ 4
75.4%
Pixels
488752
#41
トルコ
Turkey
tr
Avg SQM
20.67
Ratio
2.397
Bortle ≤ 4
82.6%
Pixels
1172455
#42
バミューダ
Bermuda
bm
Avg SQM
20.69
Ratio
2.351
Bortle ≤ 4
78.5%
Pixels
130
#43
ドミニカ共和国
Dominican Republic
do
Avg SQM
20.70
Ratio
2.310
Bortle ≤ 4
82.8%
Pixels
60336
#44
アンティグア・バーブーダ
Antigua and Barbuda
ag
Avg SQM
20.73
Ratio
2.227
Bortle ≤ 4
72.2%
Pixels
624
#45
ドイツ
Germany
de
Avg SQM
20.76
Ratio
2.143
Bortle ≤ 4
83.1%
Pixels
663878
#46
ポーランド
Poland
pl
Avg SQM
20.76
Ratio
2.123
Bortle ≤ 4
84.5%
Pixels
593661
#47
日本
Japan
jp
Avg SQM
20.77
Ratio
2.112
Bortle ≤ 4
84.8%
Pixels
555896
#48
タイ
Thailand
th
Avg SQM
20.78
Ratio
2.088
Bortle ≤ 4
86.0%
Pixels
627196
#49
セルビア
Serbia
rs
Avg SQM
20.79
Ratio
2.059
Bortle ≤ 4
83.7%
Pixels
126700
#50
イラン
Iran
ir
Avg SQM
20.79
Ratio
2.046
Bortle ≤ 4
88.0%
Pixels
2250602
#51
スペイン
Spain
es
Avg SQM
20.80
Ratio
2.034
Bortle ≤ 4
85.6%
Pixels
775684
#52
チェコ
Czech Republic
cz
Avg SQM
20.81
Ratio
1.983
Bortle ≤ 4
87.5%
Pixels
142153
#53
ギリシャ
Greece
gr
Avg SQM
20.83
Ratio
1.941
Bortle ≤ 4
88.3%
Pixels
201253
#54
ジャマイカ
Jamaica
jm
Avg SQM
20.83
Ratio
1.931
Bortle ≤ 4
88.2%
Pixels
13790
#55
アンドラ
Andorra
ad
Avg SQM
20.85
Ratio
1.893
Bortle ≤ 4
83.7%
Pixels
756
#56
ブルネイ
Brunei Darussalam
bn
Avg SQM
20.85
Ratio
1.893
Bortle ≤ 4
84.6%
Pixels
6911
#57
インド
India
in
Avg SQM
20.86
Ratio
1.864
Bortle ≤ 4
85.0%
Pixels
4019706
#58
ベトナム
Vietnam
vn
Avg SQM
20.88
Ratio
1.815
Bortle ≤ 4
86.1%
Pixels
406069
#59
リヒテンシュタイン
Liechtenstein
li
Avg SQM
20.88
Ratio
1.801
Bortle ≤ 4
98.1%
Pixels
265
#60
マレーシア
Malaysia
my
Avg SQM
20.95
Ratio
1.633
Bortle ≤ 4
87.7%
Pixels
387301
#61
サウジアラビア
Saudi Arabia
sa
Avg SQM
20.95
Ratio
1.627
Bortle ≤ 4
90.1%
Pixels
2465294
#62
セントクリストファー・ネーヴィス
Saint Kitts and Nevis
kn
Avg SQM
20.95
Ratio
1.626
Bortle ≤ 4
88.0%
Pixels
366
#63
クロアチア
Croatia
hr
Avg SQM
20.96
Ratio
1.606
Bortle ≤ 4
91.0%
Pixels
92457
#64
アルバニア
Albania
al
Avg SQM
20.98
Ratio
1.558
Bortle ≤ 4
89.7%
Pixels
44212
#65
アメリカ合衆国
United States
us
Avg SQM
20.99
Ratio
1.537
Bortle ≤ 4
89.4%
Pixels
16110212
#66
デンマーク
Denmark
dk
Avg SQM
21.00
Ratio
1.512
Bortle ≤ 4
90.5%
Pixels
90422
#67
スイス
Switzerland
ch
Avg SQM
21.00
Ratio
1.503
Bortle ≤ 4
90.1%
Pixels
70884
#68
スロベニア
Slovenia
si
Avg SQM
21.01
Ratio
1.492
Bortle ≤ 4
92.3%
Pixels
34461
#69
ハンガリー
Hungary
hu
Avg SQM
21.01
Ratio
1.492
Bortle ≤ 4
93.0%
Pixels
159850
#70
ナウル
Nauru
nr
Avg SQM
21.01
Ratio
1.490
Bortle ≤ 4
100.0%
Pixels
42
#71
サン・バルテルミー
Saint-Barthélemy
bl
Avg SQM
21.05
Ratio
1.402
Bortle ≤ 4
100.0%
Pixels
35
#72
ジャージー
Jersey
je
Avg SQM
21.05
Ratio
1.389
Bortle ≤ 4
92.4%
Pixels
238
#73
スロバキア
Slovakia
sk
Avg SQM
21.08
Ratio
1.333
Bortle ≤ 4
93.5%
Pixels
85791
#74
メキシコ
Mexico
mx
Avg SQM
21.11
Ratio
1.281
Bortle ≤ 4
92.6%
Pixels
2515963
#75
ベネズエラ
Venezuela
ve
Avg SQM
21.11
Ratio
1.262
Bortle ≤ 4
94.3%
Pixels
1080190
#76
ルーマニア
Romania
ro
Avg SQM
21.12
Ratio
1.249
Bortle ≤ 4
94.6%
Pixels
395470
#77
ボスニア・ヘルツェゴビナ
Bosnia and Herzegovina
ba
Avg SQM
21.13
Ratio
1.235
Bortle ≤ 4
93.5%
Pixels
84513
#78
オマーン
Oman
om
Avg SQM
21.13
Ratio
1.228
Bortle ≤ 4
90.8%
Pixels
390012
#79
エクアドル
Ecuador
ec
Avg SQM
21.13
Ratio
1.228
Bortle ≤ 4
91.8%
Pixels
300154
#80
オーストリア
Austria
at
Avg SQM
21.13
Ratio
1.223
Bortle ≤ 4
93.4%
Pixels
145460
#81
アンギラ
Anguilla
ai
Avg SQM
21.14
Ratio
1.218
Bortle ≤ 4
96.6%
Pixels
145
#82
モルディブ
Maldives
mv
Avg SQM
21.14
Ratio
1.210
Bortle ≤ 4
87.8%
Pixels
564
#83
エルサルバドル
El Salvador
sv
Avg SQM
21.15
Ratio
1.191
Bortle ≤ 4
93.6%
Pixels
25023
#84
アルメニア
Armenia
am
Avg SQM
21.16
Ratio
1.177
Bortle ≤ 4
93.2%
Pixels
45594
#85
セントルシア
Saint Lucia
lc
Avg SQM
21.17
Ratio
1.153
Bortle ≤ 4
94.3%
Pixels
776
#86
モンテネグロ
Montenegro
me
Avg SQM
21.17
Ratio
1.151
Bortle ≤ 4
92.3%
Pixels
22083
#87
アゼルバイジャン
Azerbaijan
az
Avg SQM
21.17
Ratio
1.145
Bortle ≤ 4
95.4%
Pixels
132432
#88
チュニジア
Tunisia
tn
Avg SQM
21.17
Ratio
1.141
Bortle ≤ 4
92.6%
Pixels
221613
#89
北マケドニア
North Macedonia
mk
Avg SQM
21.18
Ratio
1.128
Bortle ≤ 4
94.5%
Pixels
39812
#90
アイルランド
Ireland
ie
Avg SQM
21.19
Ratio
1.107
Bortle ≤ 4
95.0%
Pixels
136126
#91
コスタリカ
Costa Rica
cr
Avg SQM
21.19
Ratio
1.107
Bortle ≤ 4
94.3%
Pixels
61516
#92
ブルガリア
Bulgaria
bg
Avg SQM
21.19
Ratio
1.106
Bortle ≤ 4
95.6%
Pixels
179328
#93
ガーナ
Ghana
gh
Avg SQM
21.20
Ratio
1.099
Bortle ≤ 4
94.0%
Pixels
282945
#94
France
fra
Avg SQM
21.20
Ratio
1.083
Bortle ≤ 4
93.3%
Pixels
1034577
#95
ジョージア
Georgia
ge
Avg SQM
21.21
Ratio
1.061
Bortle ≤ 4
94.6%
Pixels
109711
#96
エジプト
Egypt
eg
Avg SQM
21.23
Ratio
1.040
Bortle ≤ 4
92.4%
Pixels
1309727
#97
フィンランド
Finland
fi
Avg SQM
21.24
Ratio
1.008
Bortle ≤ 4
94.6%
Pixels
899118
#98
バングラデシュ
Bangladesh
bd
Avg SQM
21.24
Ratio
1.007
Bortle ≤ 4
96.0%
Pixels
177005
#99
中国
China
cn
Avg SQM
21.28
Ratio
0.948
Bortle ≤ 4
93.2%
Pixels
13710175
#100
タークス・カイコス諸島
Turks and Caicos Islands
tc
Avg SQM
21.28
Ratio
0.933
Bortle ≤ 4
87.7%
Pixels
721
#101
グレナダ
Grenada
gd
Avg SQM
21.32
Ratio
0.879
Bortle ≤ 4
96.6%
Pixels
467
#102
米領サモア
American Samoa
as
Avg SQM
21.32
Ratio
0.866
Bortle ≤ 4
95.9%
Pixels
265
#103
英領ヴァージン諸島
British Virgin Islands
vg
Avg SQM
21.36
Ratio
0.811
Bortle ≤ 4
96.8%
Pixels
254
#104
エストニア
Estonia
ee
Avg SQM
21.36
Ratio
0.795
Bortle ≤ 4
96.3%
Pixels
103045
#105
スウェーデン
Sweden
se
Avg SQM
21.39
Ratio
0.760
Bortle ≤ 4
95.7%
Pixels
1135441
#106
リトアニア
Lithuania
lt
Avg SQM
21.39
Ratio
0.753
Bortle ≤ 4
96.2%
Pixels
132919
#107
グアテマラ
Guatemala
gt
Avg SQM
21.39
Ratio
0.746
Bortle ≤ 4
96.6%
Pixels
132846
#108
ルワンダ
Rwanda
rw
Avg SQM
21.40
Ratio
0.739
Bortle ≤ 4
96.5%
Pixels
29965
#109
Norway
nor
Avg SQM
21.42
Ratio
0.705
Bortle ≤ 4
95.7%
Pixels
873670
#110
シリア
Syria
sy
Avg SQM
21.43
Ratio
0.696
Bortle ≤ 4
95.8%
Pixels
265255
#111
フェロー諸島
Faroe Islands
fo
Avg SQM
21.43
Ratio
0.693
Bortle ≤ 4
99.2%
Pixels
3640
#112
エスワティニ
Kingdom of eSwatini
sz
Avg SQM
21.45
Ratio
0.655
Bortle ≤ 4
97.9%
Pixels
22538
#113
北マリアナ諸島
Northern Mariana Islands
mp
Avg SQM
21.46
Ratio
0.645
Bortle ≤ 4
92.9%
Pixels
840
#114
ベラルーシ
Belarus
by
Avg SQM
21.47
Ratio
0.627
Bortle ≤ 4
97.4%
Pixels
406073
#115
ウズベキスタン
Uzbekistan
uz
Avg SQM
21.48
Ratio
0.622
Bortle ≤ 4
96.2%
Pixels
700898
#116
ガーンジー
Guernsey
gg
Avg SQM
21.49
Ratio
0.601
Bortle ≤ 4
100.0%
Pixels
167
#117
モルドバ
Moldova
md
Avg SQM
21.49
Ratio
0.597
Bortle ≤ 4
97.9%
Pixels
57325
#118
パナマ
Panama
pa
Avg SQM
21.49
Ratio
0.596
Bortle ≤ 4
96.6%
Pixels
89598
#119
フィリピン
Philippines
ph
Avg SQM
21.49
Ratio
0.596
Bortle ≤ 4
96.5%
Pixels
357949
#120
セーシェル
Seychelles
sc
Avg SQM
21.50
Ratio
0.590
Bortle ≤ 4
98.0%
Pixels
698
#121
モロッコ
Morocco
ma
Avg SQM
21.50
Ratio
0.586
Bortle ≤ 4
96.5%
Pixels
799174
#122
パキスタン
Pakistan
pk
Avg SQM
21.53
Ratio
0.541
Bortle ≤ 4
97.1%
Pixels
1179310
#123
セントビンセント及びグレナディーン諸島
Saint Vincent and the Grenadines
vc
Avg SQM
21.53
Ratio
0.539
Bortle ≤ 4
99.2%
Pixels
505
#124
南アフリカ
South Africa
za
Avg SQM
21.53
Ratio
0.538
Bortle ≤ 4
96.8%
Pixels
1630827
#125
ラトビア
Latvia
lv
Avg SQM
21.54
Ratio
0.533
Bortle ≤ 4
97.4%
Pixels
137551
#126
スリランカ
Sri Lanka
lk
Avg SQM
21.54
Ratio
0.522
Bortle ≤ 4
97.7%
Pixels
79028
#127
パラグアイ
Paraguay
py
Avg SQM
21.55
Ratio
0.517
Bortle ≤ 4
97.7%
Pixels
509690
#128
アルジェリア
Algeria
dz
Avg SQM
21.55
Ratio
0.514
Bortle ≤ 4
95.8%
Pixels
3065166
#129
インドネシア
Indonesia
id
Avg SQM
21.55
Ratio
0.509
Bortle ≤ 4
96.0%
Pixels
2224438
#130
チリ
Chile
cl
Avg SQM
21.56
Ratio
0.494
Bortle ≤ 4
97.2%
Pixels
1121644
#131
トルクメニスタン
Turkmenistan
tm
Avg SQM
21.57
Ratio
0.487
Bortle ≤ 4
97.2%
Pixels
708414
#132
アルゼンチン
Argentina
ar
Avg SQM
21.57
Ratio
0.483
Bortle ≤ 4
97.6%
Pixels
4015998
#133
ウルグアイ
Uruguay
uy
Avg SQM
21.57
Ratio
0.480
Bortle ≤ 4
97.6%
Pixels
246642
#134
アイスランド
Iceland
is
Avg SQM
21.58
Ratio
0.470
Bortle ≤ 4
99.1%
Pixels
282843
#135
ホンジュラス
Honduras
hn
Avg SQM
21.58
Ratio
0.468
Bortle ≤ 4
98.0%
Pixels
136704
#136
ブラジル
Brazil
br
Avg SQM
21.59
Ratio
0.460
Bortle ≤ 4
97.5%
Pixels
10194003
#137
リビア
Libya
ly
Avg SQM
21.60
Ratio
0.449
Bortle ≤ 4
97.3%
Pixels
2132226
#138
ガンビア
The Gambia
gm
Avg SQM
21.60
Ratio
0.448
Bortle ≤ 4
96.3%
Pixels
13040
#139
ナイジェリア
Nigeria
ng
Avg SQM
21.61
Ratio
0.426
Bortle ≤ 4
96.8%
Pixels
1079271
#140
コートジボワール
Côte d'Ivoire
ci
Avg SQM
21.62
Ratio
0.421
Bortle ≤ 4
98.7%
Pixels
379961
#141
ロシア
Russian Federation
ru
Avg SQM
21.62
Ratio
0.420
Bortle ≤ 4
97.8%
Pixels
41064517
#142
オーランド諸島
Åland
ax
Avg SQM
21.62
Ratio
0.420
Bortle ≤ 4
98.4%
Pixels
2540
#143
ネパール
Nepal
np
Avg SQM
21.62
Ratio
0.418
Bortle ≤ 4
98.9%
Pixels
195796
#144
マン島
Isle of Man
im
Avg SQM
21.62
Ratio
0.417
Bortle ≤ 4
99.2%
Pixels
1202
#145
キルギス
Kyrgyzstan
kg
Avg SQM
21.64
Ratio
0.393
Bortle ≤ 4
98.2%
Pixels
309870
#146
バハマ
Bahamas
bs
Avg SQM
21.66
Ratio
0.366
Bortle ≤ 4
97.6%
Pixels
17607
#147
コロンビア
Colombia
co
Avg SQM
21.67
Ratio
0.357
Bortle ≤ 4
98.1%
Pixels
1336629
#148
英領インド洋地域
British Indian Ocean Territory
io
Avg SQM
21.67
Ratio
0.354
Bortle ≤ 4
100.0%
Pixels
138
#149
トンガ
Tonga
to
Avg SQM
21.68
Ratio
0.348
Bortle ≤ 4
100.0%
Pixels
882
#150
キューバ
Cuba
cu
Avg SQM
21.68
Ratio
0.341
Bortle ≤ 4
98.5%
Pixels
140228
#151
サントメ・プリンシペ
São Tomé and Principe
st
Avg SQM
21.68
Ratio
0.338
Bortle ≤ 4
98.2%
Pixels
1293
#152
タジキスタン
Tajikistan
tj
Avg SQM
21.69
Ratio
0.332
Bortle ≤ 4
98.6%
Pixels
212974
#153
カーボベルデ
Cape Verde
cv
Avg SQM
21.69
Ratio
0.329
Bortle ≤ 4
98.9%
Pixels
5149
#154
トーゴ
Togo
tg
Avg SQM
21.70
Ratio
0.323
Bortle ≤ 4
98.5%
Pixels
68009
#155
ドミニカ国
Dominica
dm
Avg SQM
21.70
Ratio
0.316
Bortle ≤ 4
100.0%
Pixels
949
#156
ベリーズ
Belize
bz
Avg SQM
21.72
Ratio
0.298
Bortle ≤ 4
99.2%
Pixels
27777
#157
ウクライナ
Ukraine
ua
Avg SQM
21.74
Ratio
0.272
Bortle ≤ 4
99.1%
Pixels
1018449
#158
セネガル
Senegal
sn
Avg SQM
21.74
Ratio
0.270
Bortle ≤ 4
98.8%
Pixels
238220
#159
カンボジア
Cambodia
kh
Avg SQM
21.75
Ratio
0.256
Bortle ≤ 4
99.0%
Pixels
218085
#160
ペルー
Peru
pe
Avg SQM
21.75
Ratio
0.253
Bortle ≤ 4
98.9%
Pixels
1535466
#161
ニュージーランド
New Zealand
nz
Avg SQM
21.78
Ratio
0.224
Bortle ≤ 4
98.7%
Pixels
424013
#162
北朝鮮
Dem. Rep. Korea
kp
Avg SQM
21.80
Ratio
0.197
Bortle ≤ 4
99.4%
Pixels
187657
#163
カザフスタン
Kazakhstan
kz
Avg SQM
21.81
Ratio
0.194
Bortle ≤ 4
99.1%
Pixels
4736846
#164
ニカラグア
Nicaragua
ni
Avg SQM
21.81
Ratio
0.192
Bortle ≤ 4
99.3%
Pixels
155325
#165
レソト
Lesotho
ls
Avg SQM
21.81
Ratio
0.191
Bortle ≤ 4
99.4%
Pixels
40657
#166
モントセラト
Montserrat
ms
Avg SQM
21.82
Ratio
0.184
Bortle ≤ 4
100.0%
Pixels
135
#167
赤道ギニア
Equatorial Guinea
gq
Avg SQM
21.82
Ratio
0.184
Bortle ≤ 4
98.9%
Pixels
31727
#168
サモア
Samoa
ws
Avg SQM
21.82
Ratio
0.184
Bortle ≤ 4
99.7%
Pixels
3464
#169
ラオス
Lao PDR
la
Avg SQM
21.82
Ratio
0.177
Bortle ≤ 4
99.4%
Pixels
282918
#170
カナダ
Canada
ca
Avg SQM
21.83
Ratio
0.173
Bortle ≤ 4
99.1%
Pixels
22033578
#171
イエメン
Yemen
ye
Avg SQM
21.83
Ratio
0.172
Bortle ≤ 4
99.2%
Pixels
552008
#172
ケニア
Kenya
ke
Avg SQM
21.83
Ratio
0.167
Bortle ≤ 4
99.3%
Pixels
687181
#173
ウガンダ
Uganda
ug
Avg SQM
21.83
Ratio
0.166
Bortle ≤ 4
99.2%
Pixels
283903
#174
仏領ポリネシア
French Polynesia
pf
Avg SQM
21.83
Ratio
0.165
Bortle ≤ 4
99.4%
Pixels
4982
#175
フィジー
Fiji
fj
Avg SQM
21.83
Ratio
0.165
Bortle ≤ 4
99.4%
Pixels
24261
#176
コンゴ共和国(ブラザビル)
Republic of the Congo
cg
Avg SQM
21.84
Ratio
0.164
Bortle ≤ 4
99.2%
Pixels
405505
#177
ウォリス・フツナ
Wallis and Futuna Islands
wf
Avg SQM
21.84
Ratio
0.163
Bortle ≤ 4
100.0%
Pixels
194
#178
ブルンジ
Burundi
bi
Avg SQM
21.84
Ratio
0.160
Bortle ≤ 4
99.4%
Pixels
32028
#179
Indian Ocean Territories
ioa
Avg SQM
21.84
Ratio
0.156
Bortle ≤ 4
100.0%
Pixels
179
#180
ニューカレドニア
New Caledonia
nc
Avg SQM
21.85
Ratio
0.151
Bortle ≤ 4
99.4%
Pixels
24373
#181
ブータン
Bhutan
bt
Avg SQM
21.85
Ratio
0.147
Bortle ≤ 4
99.9%
Pixels
53446
#182
ジブチ
Djibouti
dj
Avg SQM
21.85
Ratio
0.145
Bortle ≤ 4
99.2%
Pixels
26398
#183
ベナン
Benin
bj
Avg SQM
21.85
Ratio
0.145
Bortle ≤ 4
99.2%
Pixels
138504
#184
東ティモール
Timor-Leste
tl
Avg SQM
21.86
Ratio
0.141
Bortle ≤ 4
99.5%
Pixels
18142
#185
ボリビア
Bolivia
bo
Avg SQM
21.86
Ratio
0.140
Bortle ≤ 4
99.4%
Pixels
1329936
#186
ミクロネシア連邦
Federated States of Micronesia
fm
Avg SQM
21.86
Ratio
0.135
Bortle ≤ 4
100.0%
Pixels
902
#187
仏領極南諸島
French Southern and Antarctic Lands
tf
Avg SQM
21.86
Ratio
0.133
Bortle ≤ 4
100.0%
Pixels
13518
#188
ミャンマー (ビルマ)
Myanmar
mm
Avg SQM
21.87
Ratio
0.127
Bortle ≤ 4
99.6%
Pixels
836873
#189
パラオ
Palau
pw
Avg SQM
21.87
Ratio
0.124
Bortle ≤ 4
100.0%
Pixels
707
#190
クック諸島
Cook Islands
ck
Avg SQM
21.88
Ratio
0.122
Bortle ≤ 4
100.0%
Pixels
331
#191
サンピエール島・ミクロン島
Saint Pierre and Miquelon
pm
Avg SQM
21.88
Ratio
0.121
Bortle ≤ 4
100.0%
Pixels
464
#192
マラウイ
Malawi
mw
Avg SQM
21.88
Ratio
0.118
Bortle ≤ 4
99.5%
Pixels
144595
#193
タンザニア
Tanzania
tz
Avg SQM
21.88
Ratio
0.113
Bortle ≤ 4
99.5%
Pixels
1111376
#194
ジンバブエ
Zimbabwe
zw
Avg SQM
21.89
Ratio
0.108
Bortle ≤ 4
99.5%
Pixels
482193
#195
ハイチ
Haiti
ht
Avg SQM
21.89
Ratio
0.106
Bortle ≤ 4
99.7%
Pixels
33781
#196
ブルキナファソ
Burkina Faso
bf
Avg SQM
21.89
Ratio
0.104
Bortle ≤ 4
99.6%
Pixels
327675
#197
ガボン
Gabon
ga
Avg SQM
21.89
Ratio
0.102
Bortle ≤ 4
99.4%
Pixels
305819
#198
コモロ
Comoros
km
Avg SQM
21.90
Ratio
0.097
Bortle ≤ 4
100.0%
Pixels
2115
#199
アンゴラ
Angola
ao
Avg SQM
21.91
Ratio
0.091
Bortle ≤ 4
99.5%
Pixels
1494638
#200
スリナム
Suriname
sr
Avg SQM
21.91
Ratio
0.088
Bortle ≤ 4
99.5%
Pixels
170984
#201
マーシャル諸島
Marshall Islands
mh
Avg SQM
21.92
Ratio
0.074
Bortle ≤ 4
100.0%
Pixels
343
#202
ギニア
Guinea
gn
Avg SQM
21.92
Ratio
0.073
Bortle ≤ 4
99.7%
Pixels
292097
#203
モザンビーク
Mozambique
mz
Avg SQM
21.93
Ratio
0.071
Bortle ≤ 4
99.7%
Pixels
970122
#204
オーストラリア
Australia
au
Avg SQM
21.93
Ratio
0.067
Bortle ≤ 4
99.6%
Pixels
10034405
#205
ツバル
Tuvalu
tv
Avg SQM
21.93
Ratio
0.067
Bortle ≤ 4
100.0%
Pixels
76
#206
カメルーン
Cameroon
cm
Avg SQM
21.93
Ratio
0.066
Bortle ≤ 4
99.7%
Pixels
548317
#207
アフガニスタン
Afghanistan
af
Avg SQM
21.93
Ratio
0.064
Bortle ≤ 4
99.8%
Pixels
903234
#208
ザンビア
Zambia
zm
Avg SQM
21.94
Ratio
0.058
Bortle ≤ 4
99.7%
Pixels
906570
#209
エチオピア
Ethiopia
et
Avg SQM
21.94
Ratio
0.057
Bortle ≤ 4
99.8%
Pixels
1336809
#210
ガイアナ
Guyana
gy
Avg SQM
21.94
Ratio
0.057
Bortle ≤ 4
99.7%
Pixels
249262
#211
ボツワナ
Botswana
bw
Avg SQM
21.94
Ratio
0.053
Bortle ≤ 4
99.8%
Pixels
732130
#212
リベリア
Liberia
lr
Avg SQM
21.95
Ratio
0.044
Bortle ≤ 4
99.7%
Pixels
112874
#213
セントヘレナ
Saint Helena
sh
Avg SQM
21.96
Ratio
0.041
Bortle ≤ 4
100.0%
Pixels
554
#214
ギニアビサウ
Guinea-Bissau
gw
Avg SQM
21.96
Ratio
0.040
Bortle ≤ 4
99.8%
Pixels
40318
#215
ニウエ
Niue
nu
Avg SQM
21.96
Ratio
0.038
Bortle ≤ 4
100.0%
Pixels
294
#216
シエラレオネ
Sierra Leone
sl
Avg SQM
21.96
Ratio
0.038
Bortle ≤ 4
99.9%
Pixels
85408
#217
Somaliland
sol
Avg SQM
21.96
Ratio
0.034
Bortle ≤ 4
99.9%
Pixels
199334
#218
コンゴ民主共和国(キンシャサ)
Democratic Republic of the Congo
cd
Avg SQM
21.96
Ratio
0.034
Bortle ≤ 4
99.8%
Pixels
2735283
#219
モンゴル
Mongolia
mn
Avg SQM
21.96
Ratio
0.033
Bortle ≤ 4
99.9%
Pixels
2660765
#220
ナミビア
Namibia
na
Avg SQM
21.97
Ratio
0.030
Bortle ≤ 4
99.9%
Pixels
1040849
#221
パプアニューギニア
Papua New Guinea
pg
Avg SQM
21.97
Ratio
0.028
Bortle ≤ 4
99.9%
Pixels
552292
#222
スーダン
Sudan
sd
Avg SQM
21.97
Ratio
0.027
Bortle ≤ 4
99.9%
Pixels
2262278
#223
マリ
Mali
ml
Avg SQM
21.98
Ratio
0.017
Bortle ≤ 4
99.9%
Pixels
1538878
#224
バヌアツ
Vanuatu
vu
Avg SQM
21.98
Ratio
0.017
Bortle ≤ 4
100.0%
Pixels
15822
#225
ニジェール
Niger
ne
Avg SQM
21.98
Ratio
0.017
Bortle ≤ 4
99.9%
Pixels
1450114
#226
モーリタニア
Mauritania
mr
Avg SQM
21.98
Ratio
0.016
Bortle ≤ 4
99.9%
Pixels
1294830
#227
ソロモン諸島
Solomon Islands
sb
Avg SQM
21.98
Ratio
0.015
Bortle ≤ 4
100.0%
Pixels
33944
#228
ノーフォーク島
Norfolk Island
nf
Avg SQM
21.98
Ratio
0.015
Bortle ≤ 4
100.0%
Pixels
71
#229
合衆国領有小離島
United States Minor Outlying Islands
um
Avg SQM
21.98
Ratio
0.014
Bortle ≤ 4
100.0%
Pixels
87
#230
フォークランド諸島
Falkland Islands / Malvinas
fk
Avg SQM
21.99
Ratio
0.013
Bortle ≤ 4
100.0%
Pixels
22770
#231
エリトリア
Eritrea
er
Avg SQM
21.99
Ratio
0.011
Bortle ≤ 4
100.0%
Pixels
149687
#232
チャド
Chad
td
Avg SQM
21.99
Ratio
0.011
Bortle ≤ 4
100.0%
Pixels
1540127
#233
マダガスカル
Madagascar
mg
Avg SQM
21.99
Ratio
0.011
Bortle ≤ 4
100.0%
Pixels
737543
#234
キリバス
Kiribati
ki
Avg SQM
21.99
Ratio
0.011
Bortle ≤ 4
100.0%
Pixels
1582
#235
ソマリア
Somalia
so
Avg SQM
21.99
Ratio
0.009
Bortle ≤ 4
100.0%
Pixels
556388
#236
南スーダン
South Sudan
ss
Avg SQM
21.99
Ratio
0.006
Bortle ≤ 4
100.0%
Pixels
741191
#237
グリーンランド
Greenland
gl
Avg SQM
22.00
Ratio
0.003
Bortle ≤ 4
100.0%
Pixels
4361862
#238
中央アフリカ共和国
Central African Republic
cf
Avg SQM
22.00
Ratio
0.002
Bortle ≤ 4
100.0%
Pixels
729695
#239
Ashmore and Cartier Islands
atc
Avg SQM
22.00
Ratio
0.002
Bortle ≤ 4
100.0%
Pixels
9
#240
Clipperton Island
clp
Avg SQM
22.00
Ratio
0.000
Bortle ≤ 4
100.0%
Pixels
9
#241
Coral Sea Islands
csi
Avg SQM
22.00
Ratio
0.000
Bortle ≤ 4
100.0%
Pixels
2
#242
サウスジョージア・サウスサンドウィッチ諸島
South Georgia and the Islands
gs
Avg SQM
22.00
Ratio
0.000
Bortle ≤ 4
100.0%
Pixels
8363
#243
ハード島・マクドナルド諸島
Heard I. and McDonald Islands
hm
Avg SQM
22.00
Ratio
0.000
Bortle ≤ 4
100.0%
Pixels
829
#244
ピトケアン諸島
Pitcairn Islands
pn
Avg SQM
22.00
Ratio
0.000
Bortle ≤ 4
100.0%
Pixels
77