- The ultraviolet (UV) index is a number on a scale from 1-11+ that tells you how intense the UV rays from the sun are predicted to be at a particular time and place1234. It is an international standard measurement of the strength of the sunburn-producing ultraviolet (UV) radiation at a particular place and time2. The UV Index represents the amount of skin-damaging UV radiation reaching the earth’s surface at any instant of time3. The UV Index provides a daily forecast of the expected intensity of ultraviolet (UV) radiation from the sun4.Learn more:✕This summary was generated using AI based on multiple online sources. To view the original source information, use the "Learn more" links.The ultraviolet (UV) index is a number on a scale from 1-11+ that tells you how intense the UV rays from the sun are predicted to be at a particular time and place. It's useful because, while you might be tempted to soak up the sun on a nice, bright day, those warm rays come with health risks. That’s because the sun gives off UV radiation.www.webmd.com/skin-problems-and-treatments/u…The ultraviolet index, or UV index, is an international standard measurement of the strength of the sunburn -producing ultraviolet (UV) radiation at a particular place and time. It is primarily used in daily and hourly forecasts aimed at the general public.en.wikipedia.org/wiki/Ultraviolet_indexThe UV Index represents the amount of skin-damaging UV radiation reaching the earth’s surface at any instant of time. The basic UV Index forecast is given for solar noon — the sun’s highest point in the sky and the time of the highest fluctuation in UV radiation (under clear sky conditions).www.epa.gov/sites/default/files/documents/uviguid…The UV Index provides a daily forecast of the expected intensity of ultraviolet (UV) radiation from the sun. Some exposure to sunlight is enjoyable. However, too much sun can be dangerous. Overexposure to the sun's ultraviolet radiation can cause immediate damage, such as sunburn, and long-term problems, such as skin cancer and cataracts.www.epa.gov/enviro/uv-index-description
- People also ask
The UV index tells us how strong the sun’s ultraviolet (UV) rays are. If it is 3 (moderate) or above, you need to think about protecting your skin. Anyone can get sunburnt. Your risk of sunburn depends on how sun-sensitive your skin is and how strong the sun’s UV rays are. See more
Too much UV radiation from the sun is the main cause of skin cancer in the UK. Up to 9 in 10 cases of melanoma, the most serious type of skin cancer, could be prevented by … See more
In the UK, the sun is often strong enough to cause skin damage between mid-March and mid-October. The sun is strongest in the middle of the day when it’s highest in the sky, which is 11am to 3pm in the UK. Tools like the UV index and the Shadow Rule can help you … See more
People with naturally darker skin tones, such as brown or black skin,burn less easily and have a lower risk of skin cancer. But lower risk doesn’t mean there’s no risk. … See more
Getting sunburnt can increase your risk of skin cancer. Anyone can get sunburn or develop skin cancer,but some people are at a higher risk and need to take more care in the sun. See more
The ultraviolet index, or UV index, is an international standard measurement of the strength of the sunburn-producing ultraviolet (UV) radiation at a particular place and time. It is primarily used in daily and hourly forecasts aimed at the general public. The UV index is designed as an open-ended linear scale, directly proportional to the intensity of UV radiation, and adjusting for wavelength based on what causes human skin to sunburn. The purpose of the UV index is to hel…
Wikipedia · Text under CC-BY-SA licence- Estimated Reading Time: 9 mins
Web12 Feb 2024 · UV index is a color-coded scale that gives you an idea of your UV ray exposure. It works like this: Low exposure (green): 1-2. Moderate exposure (yellow): 3 …
Web19 Mar 2022 · What Is the UV Index? Every day the UV Index is calculated for the next day for every zip code in the U.S. It predicts the intensity of UV radiation at noon and is reported on a scale of 1 to 11+. On this …
Web25 Jun 2020 · The UV Index (or UVI) is a standard international measure of ultraviolet radiation emitted by the Sun - which penetrates the Earth's atmosphere and can …
Web20 June 2022 | Q&A. What is the UV index? The UVI is a measure of the level of UV radiation. The values of the index range from zero upward - the higher the UVI, the …
Web20 Dec 2021 · The UV index tells you how much ultraviolet radiation is around at ground level on a given day, and its potential to harm your skin. UV radiation is a...
Web28 Dec 2016 · A UV Index reading of 6 to 7 means high risk of harm from unprotected sun exposure. Protection against skin and eye damage is needed. Reduce time in the …
WebOur UV model currently accounts for sun angle and forecast cloud amounts, but uses a "climatological" value (i.e. the average concentration for this time of year over the UK) to …
WebUltraviolet (UV) radiation is the invisible killer that you can't see or feel. UV radiation can be high even on cool and overcast days. This means you can't rely on clear skies or high temperatures to determine when you …
Skip to content
