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    What is Matsuyama UV index today?

    Consult Matsuyama UV index today to determine whether the sun exposure is safe or if precautions should be taken.

    Matsuyama Current UV Index


    UV Index Datetime

    2024-07-19 21:00:27

    Matsuyama Max UV Index


    Max UV Index Datetime

    2024-07-20 03:16:22









    Today's max matsuyama UV index is very high, with a value of 9.5022 around 2024-07-20 03:16:22. Limit your exposure to the sun, especially during midday; ensure to wear protective clothing, apply sunscreen, and use a hat.

    Current Matsuyama UV index is low, registering at 0.1551. Enjoy outdoor activities safely, as the sun's rays are not very strong.

    What's the uv right now in Other Cities of Japan (Today UV Rays)

    Matsuyama Real-Time UV Index Forecast Chart (Hourly Matsuyama UV Index Chart)

    Explore Matsuyama UV Index Forecast Chart for next hours to stay informed about the varying levels of ultraviolet radiation index throughout the day

    Safe Exposure Time Calculation in (Time to Burn Chart)

    The most commonly used scheme to classify a person’s skin type by their response to sun exposure in terms of the degree of burning and tanning was developed by Thomas B. Fitzpatrick, MD, PhD. As a meter of fact even the skin color of Emoji characters based on the Fitzpatrick scale.

    Skin Type Color Typical Features Tanning Ability Time to Burn (minutes)
    I Red or blond hair; light-colored eyes; freckles likely Always burns, does not tan 1074.58
    II Light eyes; light hair Burns easily, tans poorly 1289.49
    III Any eye or hair color (very common skin type) Tans after initial burn 1719.32
    IV Dark brown hair; medium to heavy pigmentation Burns minimally, tans easily 2149.15
    V Dark hair; rarely sun sensitive Rarely burns, tans darkly easily 3438.64
    VI N/A Never burns, always tans darkly 6447.45

    Ultraviolet Radiation Reflection from Surfaces

    Highly reflective surfaces can increase surrounding levels of solar UV including concrete, snow, glass, water and polished metals (see source).

    Reflected UV Levels

    Material Reflected Solar UV Rays (%) Effective UV Index UV Color
    New black roadway (Asphalt) 4.1% 0.16
    Old grey roadway (Asphalt) 8.9% 0.17
    Footpath (Concrete) 10.1% 0.17
    Grasslands (Grass) 1.2% 0.16
    Lawn (Grass) 3.5% 0.16
    Fiberglass boat deck 9.1% 0.17
    White house paint 22% 0.19
    Wet beach sand 7.1% 0.17
    Dry beach sand 16.5% 0.18
    Clay/humus (Soil) 5% 0.16
    Open water 3.3% 0.16
    Open ocean 8% 0.17
    Sea surf/white foam 27.5% 0.2
    Snow old/new 69% 0.26
    Wood boat deck 6.6% 0.17

    Required Sunlight Exposure for Vitamin D in Matsuyama

    Vitamin D is a hormone that controls calcium levels in the blood. It is needed to develop and maintain healthy bones, muscles and teeth and is also important for general health. The human body can get vitamin D in two ways: diet or sun exposure.

    Minutes for sunlight exposure for sufficient Vitamin D intake (see source).

    Skin Type Exposure Time (Matsuyama Current UV Level: Low)

    Matsuyama Historical UV Index Trends Over the Past Year (Monthly Matsuyama UV Index Chart)

    This chart presents a detailed view of the UV rating index fluctuations throughout the past year, enabling you to identify the months with lower UV levels. By observing the monthly UV trends, you can determine the safer periods for outdoor activities with reduced risk of harmful UV exposure. It's a practical tool for planning outdoor ventures while prioritizing skin health and safety.

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