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UV index Newcastle

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The ozone layer shields Earth from damaging ultraviolet (UV) radiation. Different levels of UV radiation can be absorbed by the Earth depending on when it’s depleted, seasons, and weather changes.

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What is a UV index?

The ozone layer shields Earth from damaging ultraviolet (UV) radiation. Different levels of UV radiation can be absorbed by the Earth depending on when it’s depleted, seasons, and weather changes.

The UV Index is a scale that can predict the amount of ultraviolet radiation. It can help people determine the best way to protect themselves from sun radiation.

Many fact sheets offer information about the UV Index as well as methods you can follow to reduce your exposure to the sun’s UV rays. The site will display a UV Alert whenever the amount of sun’s UV radiation is forecast to be unusually high, and consequently, the risk of overexposure is increased.

While some sun-related exposure can be pleasant, excessive sun exposure could prove to risky. Overexposure to the sun’s UV radiation can cause immediate consequences like sunburn as well as longer-term complications such as skin cancer and cataracts. The UV Index provides important information to guide you in planning your outdoor activities in order to avoid excessive exposure to the sun’s rays.

The UV Index gives a forecast of the daily risk of sunburns. The Index forecasts UV intensity levels based on an index of 1 to 11, where 1 indicates high risk while 11+ is very high.

Calculated on a next-day basis for cities throughout the world The UV Index is based on clouds as well as other local conditions that impact the amount of UV radiation that is reaching the ground in different regions of the world.

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People more susceptible to sun-related illnesses caused by UV are at greater risk

It is vital to remember that everyone of all skin types must be protected from excessive exposure to sunlight. Overexposure to UV radiation could lead to the development of serious health effects for all, however, not all are equally susceptible to the dangers.

You could be at a higher risk of getting skin cancer for example.

  • if your skin always burns;
  • If you have red or blond hair,
  • If you have gray, blue, or green eyes.

There are other factors that could indicate a higher likelihood of skin cancer.

  • The sunburns of the past were blistering in the early stages of childhood.
  • moles, or the presence of many moles
  • skin cancer in the family history.

It is, however, recommended to take note that all people, regardless of skin type, are at risk of eye injuries.

UV Radiation and its Health Effects

The depletion of the ozone layer decreases our natural defense against the sun’s damaging ultraviolet (UV) radiation. This page gives an overview of major health risks resulting from overexposure to UV radiation. Becoming aware of the risks and taking prudent precautions will let you enjoy the sun while reducing your chance of suffering from sun-related health issues.

Skin cancer

Each year every year, the U.S. diagnoses more skin cancer cases than all other kinds of cancer. In their lifetime, one in five Americans will develop skin cancer. Every hour, one American gets diagnosed with skin cancer. Skin cancer is more likely to occur due to insufficiently protected UV radiation exposure.

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Melanoma

Melanoma, which is the most severe kind of skin cancer is currently one of the most frequent cancers among young adults and adolescents aged 15 to 29. Melanoma is responsible for approximately three percent of the cases of skin cancer. Yet, it accounts for over 75 percent of skin cancer deaths. Sunburns and UV exposure, particularly during childhood, are significant risk factors. Not all melanomas are exclusively sun-related–other possible influences include genetic causes and immune system deficiency.

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Nonmelanoma Skin Cancers

Non-melanoma skin tumors can be more dangerous than melanomas. They can, however, spread in the event that they’re not addressed, and cause disfigurement and other serious health issues. There are two main types of non-melanoma skin cancers that are basal cell and squamous cell carcinomas. If detected early and treated the two types of cancer are not usually fatal.

Basal cell carcinomas are most commonly found in skin cancers. These tumors are usually found as small, fleshy bumps or nodules that appear on the head and neck. However, they can also be seen in other places of the body. Basal cell carcinoma progresses slowly, and it rarely spreads to other parts of the body. However, it can infiltrate bone and cause significant damage.

Squamous cells can show up as nodules, or red or scaly spots. The type of cancer may grow to large masses and then spread to other parts of the body, unlike basal cell carcinoma.

Premature Aging, Other Skin Abrasions

Other UV-related skin disorders include actinic keratoses and premature aging of the skin. Actinic keratoses are skin growths that develop in body areas that are exposed to UV. The hands, face forearms, and the “V” of the neck are particularly vulnerable to this type of lesions. Actinic keratoses, while not necessarily premalignant are a risk factor for cancer of the squamous cells. Check for reddish, raised bumps with a rough texture, and seek immediate medical attention if you find these.

Age-related prematurely can result from excessive sun exposure. This may result in the skin getting thicker, wrinkled, and becoming more brittle over time. Since it occurs gradually and usually manifests in the years following the majority of the sun’s exposure, premature aging is often considered to be a normal regular part of getting older. However, it is true that up to 90 percent of the visible changes in the skin that are often due to aging as a result of sun exposure. When you protect yourself from UV radiation, most premature skin aging can be prevented.

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Cataracts, as well as other eye injuries

Cataracts can be described as a form of eye damage in which an absence of transparency in the lens of the eye can cloud vision. The result is blindness when cataracts aren’t treated. Research has revealed that some cataracts can be accelerated due to UV radiation. Although they are curable by the latest eye surgery techniques, cataracts diminish the eyesight of millions of Americans and cost billions of dollars in medical costs each year.

Other eye injuries include the pterygium (tissue growth that could affect vision) as well as skin cancers around the eyes, as well as degeneration of the macula (the part of the retina where visual perception is most acute). Eye protection can help reduce the risk of all these problems. Consider wearing sunglasses, glasses, or contact lenses, if you wear them. They offer 100% UV-protection.

Immune Suppression

Scientists discovered that UV radiation could cause the skin to reduce its natural defenses and immune system. The skin’s normal defenses allow it to defend itself against infections and cancer. Overexposure to UV radiation can cause skin to become less resilient to these invaders.

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Interpreting the UV index

Exposure CategoryIndex numberSun protection messages
LOW<2You can safely enjoy being outside. Wear sunglasses on bright days. If you burn easily, cover up and use sunscreen SPF 30+.

In winter, reflection off snow can nearly double UV strength.
MODERATE3-5Take precautions if you will be outside, such as wearing a hat and sunglasses and using sunscreen SPF 30+. Reduce your exposure to the sun’s most intense UV radiation by seeking shade during midday hours.
HIGH6-7Protection against sun damage is needed. Wear a wide-brimmed hat and sunglasses, use sunscreen SPF 30+ and wear a long-sleeved shirt and pants when practical.

Reduce your exposure to the sun’s most intense UV radiation by seeking shade during midday hours.
VERY HIGH8-10Protection against sun damage is needed. If you need to be outside during midday hours between 10 am. and 4 p.m., take steps to reduce sun exposure.

A shirt, hat, and sunscreen are a must, and be sure you seek shade.

Beachgoers should know that white sand and other bright surfaces reflect UV and can double UV exposure.
EXTREME11+Protection against sun damage is needed. If you need to be outside during midday hours between 10 am. and 4 p.m., take steps to reduce sun exposure.

A shirt, hat, and sunscreen are a must, and be sure you seek shade.

Beachgoers should know that white sand and other bright surfaces reflect UV and can double UV exposure.
Interpreting the UV index table

Simple steps to avoid sun-related illnesses.

You can decrease the chance of getting sun-related ailments by taking some simple precautions. Here are a few steps you can take to lower the risk of developing sun-related diseases:

  • Limit your time in the sunlight between 10:00 a.m. and 4:00 p.m.
  • When you can, try to find shade.
  • Make sure you use a broad spectrum sunscreen with a Sun Protection Factor (SPF) of at least 30.
  • Put on a broad-brimmed hat and, if you can tight-woven, long-length, full-length garments.
  • Wear UV-protective sunglasses.
  • Avoid tanning salons and sunlamps.
  • Keep an eye out for the UV Index daily.

It is important to take steps to stay away from overexposure to sunlight But you must be especially careful to follow the UV Index recommendations when levels are high to moderate. Check for UV Index reports in your local paper and on television.

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