Les effets connus des UV sur la santé
Les UV-A ont une longueur d’onde supérieure à celle des UV-B et pénètrent donc plus profondément dans les couches de l’œil et de la peau. En outre, les UV-A dégagent moins …
Rayonnement ultraviolet - World Health Organization (WHO)
Dans notre environnement, le soleil est de loin la source de rayonnement ultraviolet la plus importante. Le soleil émet de la lumière, de la chaleur et des rayons ultraviolets (UV). …
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)
Jul 24, 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 …
Protection solaire - World Health Organization (WHO)
Il est urgent de disposer de programmes de protection solaire pour sensibiliser les gens aux dangers du rayonnement UV pour la santé, et leur faire adopter des changements de mode de …
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 …
Radiación ultravioleta - World Health Organization (WHO)
Resumen La radiación ultravioleta no puede verse ni sentirse. Aunque algunas personas están expuestas a fuentes artificiales de esta radiación (por ejemplo, en la medicina, la industria, …
УФ-индекс - World Health Organization (WHO)
УФ-индекс – это показатель, характеризующий уровень ультрафиолетового излучения. УФ ...