Radiation: Ultraviolet (UV) radiation
Mar 9, 2016 · What is UV? Everyone is exposed to UV radiation from the sun and an increasing number of people are exposed to artificial sources used in industry, commerce and recreation. …
Ultraviolet radiation - World Health Organization (WHO)
Jun 12, 2025 · Ultraviolet (UV) radiation covers the wavelength range of 100–400 nm, which is a higher frequency and lower wavelength than visible light. UV radiation comes naturally from …
Ultraviolet radiation - World Health Organization (WHO)
Jun 21, 2022 · The Global Solar UV index (UVI), an information tool that describes the level of solar UVR at the Earth’s surface, was developed by WHO, the United Nations Environment …
Radiation: The ultraviolet (UV) index
Jun 20, 2022 · What is the UV index? a measure of the level of UV radiation; the values of the index range from zero upward - the higher the UVI, the greater the potential for damage to the …
Radiation: The known health effects of ultraviolet radiation
Jul 16, 2024 · UV radiation can cause short- and long-term health effects on the skin. In addition to the well-known short-term effects such as sunburn or allergic reactions, long-term effects …
辐射：紫外线辐射对健康的已知影响
紫外线A（UV-A）射线的波长比紫外线B（UV-B）射线更长，因此能够更深入地穿透眼睛和皮肤的组织层。UV-A和UV-B射线的能量强度也各不相同，UV-A射线的能量较低。因此，UV-A和UV …
Ultraviolet (UV) radiation - World Health Organization (WHO)
The main factor that predisposes to the development of skin cancer is exposure to ultraviolet (UV) radiation, traditionally from the sun and more recently from artificial tanning sunbeds. Both …
紫外线辐射 - World Health Organization (WHO)
Jun 22, 2022 · zi3wai4xian4fu3she4重要事实 皮肤癌主要由暴露于紫外线辐射所致。紫外线辐射来自太阳或日光浴床等人造日光源。 2020年，全球共检出150多万例皮肤癌，并报告了12万例 …
Radiation: Protecting against skin cancer
Jul 16, 2024 · The UV Index (UVI) is a measure of the level of UV radiation. The values of the index range from zero upward - the higher the UVI, the greater the potential for damage to the …
Rayonnement ultraviolet - World Health Organization (WHO)
Jun 21, 2022 · Le rayonnement ultraviolet (UV) ne peut être ni vu ni ressenti. Alors que certaines personnes sont exposées à des sources artificielles de rayonnement UV (par exemple en …