Darkest Cities in Japan

Stargazing rankings for 89 cities across Japan. Browse the darkest skies in Japan ranked by current overall score.

Darkest Skies in Japan

The darkest skies in Japan right now are in Naha (89), followed by Nagasaki (87), Kagoshima (86), Miyazaki (84). Currently, 13 out of 89 monitored cities in Japan have a stargazing score of 70 or above.

Naha

Japan

Current score

Nagasaki

Japan

Current score

Kagoshima

Japan

Current score

Miyazaki

Japan

Current score

Shimonoseki

Japan

Current score

Kumamoto

Japan

Current score

Kurume

Japan

Current score

Kitakyushu

Japan

Current score

Fukuoka

Japan

Current score

Kochi

Japan

Current score

Ōita

Japan

Current score

Hakodate

Japan

Current score

Hiroshima

Japan

Current score

Matsuyama

Japan

Current score

Akita

Japan

Current score

Aomori

Japan

Current score

Asahikawa

Japan

Current score

Fukuyama

Japan

Current score

Morioka

Japan

Current score

Nagaoka

Japan

Current score

Niigata

Japan

Current score

Fukushima

Japan

Current score

Iwaki

Japan

Current score

Kurashiki

Japan

Current score

Nagano

Japan

Current score

Tokushima

Japan

Current score

Kanazawa

Japan

Current score

Kōriyama

Japan

Current score

Okayama

Japan

Current score

Sapporo

Japan

Current score

Sendai

Japan

Current score

Takamatsu

Japan

Current score

Toyama

Japan

Current score

Fukui-shi

Japan

Current score

Shizuoka

Japan

Current score

Hamamatsu

Japan

Current score

Himeji

Japan

Current score

Kakogawachō-honmachi

Japan

Current score

Minato

Japan

Current score

Toyohashi

Japan

Current score

Wakayama

Japan

Current score

Akashi

Japan

Current score

Maebashi

Japan

Current score

Mito

Japan

Current score

Takasaki

Japan

Current score

Tsu

Japan

Current score

Gifu

Japan

Current score

Ichinomiya

Japan

Current score

Kobe

Japan

Current score

Okazaki

Japan

Current score

Toyota

Japan

Current score

Utsunomiya

Japan

Current score

Yokkaichi

Japan

Current score

Kasugai

Japan

Current score

Kyoto

Japan

Current score

Nagoya

Japan

Current score

Nara-shi

Japan

Current score

Nishinomiya

Japan

Current score

Ōtsu

Japan

Current score

Amagasaki

Japan

Current score

Higashiosaka

Japan

Current score

Hirakata

Japan

Current score

Ibaraki

Japan

Current score

Osaka

Japan

Current score

Sakai

Japan

Current score

Suita

Japan

Current score

Takatsuki

Japan

Current score

Toyonaka

Japan

Current score

Yao

Japan

Current score

Fujisawa

Japan

Current score

Hiratsuka

Japan

Current score

Ichihara

Japan

Current score

Sagamihara

Japan

Current score

Yokosuka

Japan

Current score

Aihara

Japan

Current score

Chiba

Japan

Current score

Hachiōji

Japan

Current score

Kashiwa

Japan

Current score

Fuchū

Japan

Current score

Kawagoe

Japan

Current score

Kawasaki

Japan

Current score

Koshigaya

Japan

Current score

Machida

Japan

Current score

Matsudo

Japan

Current score

Saitama

Japan

Current score

Tokorozawa

Japan

Current score

Yokohama

Japan

Current score

Kawaguchi

Japan

Current score

Tokyo

Japan

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 17:49