Lightest Cities in Vietnam

Cities ranked by lowest overall stargazing score (current) Vietnam

Stargazing rankings for 16 cities across Vietnam. Cities are sorted by current overall score (sky darkness, moon, weather, and viewing window).

Lightest Skies in Vietnam

The lightest skies in Vietnam right now are in Thủ Đức (54), followed by Thuận An (54), Quận Sáu (54). Currently, 0 out of 16 monitored cities in Vietnam have a stargazing score below 40.

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

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