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    What is Fresno UV index today?

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

    Fresno Current UV Index

    8.7556

    UV Index Datetime

    2024-07-19 21:08:42

    Fresno Max UV Index

    9.4925

    Max UV Index Datetime

    2024-07-19 20:06:35

    City

    Fresno

    Country

    United-States

    Latitude

    36.7830

    Longitude

    -119.7939


    Today's max fresno UV index is very high, with a value of 9.4925 around 2024-07-19 20:06:35. Limit your exposure to the sun, especially during midday; ensure to wear protective clothing, apply sunscreen, and use a hat.


    Current fresno UV index is very high, with a value of 8.7556. Limit your exposure to the sun, especially during midday; ensure to wear protective clothing, apply sunscreen, and use a hat.

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

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


    Explore Fresno 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 19.04
    II Light eyes; light hair Burns easily, tans poorly 22.84
    III Any eye or hair color (very common skin type) Tans after initial burn 30.46
    IV Dark brown hair; medium to heavy pigmentation Burns minimally, tans easily 38.07
    V Dark hair; rarely sun sensitive Rarely burns, tans darkly easily 60.91
    VI N/A Never burns, always tans darkly 114.21

    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% 9.11
    Old grey roadway (Asphalt) 8.9% 9.53
    Footpath (Concrete) 10.1% 9.64
    Grasslands (Grass) 1.2% 8.86
    Lawn (Grass) 3.5% 9.06
    Fiberglass boat deck 9.1% 9.55
    White house paint 22% 10.68
    Wet beach sand 7.1% 9.38
    Dry beach sand 16.5% 10.2
    Clay/humus (Soil) 5% 9.19
    Open water 3.3% 9.04
    Open ocean 8% 9.46
    Sea surf/white foam 27.5% 11.16
    Snow old/new 69% 14.8
    Wood boat deck 6.6% 9.33

    Required Sunlight Exposure for Vitamin D in Fresno


    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 (Fresno Current UV Level: Very High)
    I2-8m
    II5-10m
    III10-15m
    IV15-20m
    V20-30m
    VI30-40m

    Fresno Historical UV Index Trends Over the Past Year (Monthly Fresno 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.





    Downlaod Fresno historical UV index chart PDF of 2023

    Downlaod Fresno historical UV index chart PDF of 2022

    Downlaod Fresno historical UV index chart PDF of 2021

    Frequently Asked Questions About Fresno UV Index

    Find here the most frequent questions while enriching your knowledge.

    The maximum UV Index in Fresno was 10.418, typically reaches its peak during the Summer months. The UV Index measures the strength of sunburn-producing ultraviolet radiation. In Fresno, the highest UV Index can often reach levels considered "very high" or "extreme," which usually means a UV Index of 8 or more. This high index calls for extra precautions, like using sunscreen, wearing protective clothing, and avoiding prolonged sun exposure during midday hours.

    In Fresno, the highest average UV Index is usually recorded in the month of July with the uv index of 10.154833333333. During this time, the combination of longer daylight hours and the sun's higher position in the sky contributes to stronger UV radiation. Residents and visitors should be particularly vigilant about sun protection during this month, as the UV rays are at their most intense, increasing the risk of sunburn and skin damage.

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