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UV index Brisbane

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The ozone layer protects the Earth from harmful ultraviolet (UV) radiation. Depletion of the ozone layer, as well as other weather fluctuations and seasonal changes, create different levels of UV radiation to be absorbed by the Earth at any given moment.

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What is UV index?

The ozone layer protects the Earth from harmful ultraviolet (UV) radiation. Depletion of the ozone layer, as well as other weather fluctuations and seasonal changes, create different levels of UV radiation to be absorbed by the Earth at any given moment.

The UV Index is a scale that predicts ultraviolet radiation levels. It helps people to determine the best way to protect themselves from sun radiation.

Several fact sheets explain various fact sheets that explain the UV Index and steps you can take to lessen the risk of overexposure to the sun’s rays. The Web site will also display a UV Alert if the level of sun’s UV radiation is forecast to be extremely high, and the likelihood of overexposure is greater.

Some exposure to sunlight can be pleasant, but too much exposure can be risky. Sunburn, skin cancer, and cataracts are all results of exposure to excessive UV radiation. The UV Index provides important information to help you plan your outdoor activities in order to avoid excessive exposure to the sun’s rays.

The UV Index provides a daily forecast of the expected risk of overexposure to the sun. The Index predicts UV intensity levels on a scale of 1 to 11+, with 1 representing a low risk of overexposure, and 11+ being high risk.

The UV Index is calculated on a daily basis for many cities around the globe. It is based on clouds and other local conditions that could affect the amount of UV radiation reaching the ground across different regions of the nation.

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

It is essential to remember that people of all skin types should be protected from exposure to the sun’s rays. Exposure to UV radiation is a risk of serious health effects for everyone, but not all are equally vulnerable.

For example, you may be more susceptible to contracting skin cancer

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

Other indicators that indicate an increased risk of skin cancer comprise:

  • a history of blistering sunburns as a child,
  • the presence of a lot of moles or
  • a family history of skin cancer.

It is vital to remember that everyone regardless of skin color is at risk of eye injury.

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UV Radiation and its Health Effects

Ozone layer depletion reduces the natural shield of our atmosphere from harmful ultraviolet (UV) radiation. This page gives an overview of major health effects that can result from prolonged exposure to UV radiation. Being aware of these risks and taking sensible precautions will let you enjoy the sun while reducing the risk of developing sun-related health problems.

Skin cancer

Every year, more cases of skin cancer are diagnosed in the U.S. than new cases of breast, prostate lung, colon, and cancers. One out of five Americans will be diagnosed with skin cancer in their lifetime. Every hour, one American gets diagnosed with skin cancer. Skin cancer is the most likely to develop from not being protected from UV radiation exposure.

Melanoma

Melanoma is the most severe type of skin cancer, and it is among the most prevalent cancers in teenagers and young adults aged 15 to 29. Melanoma is the cause of about three percent of all skin cancers. However, it is responsible for more than 75 percent of deaths due to skin cancer. UV exposure and sunburns particularly during childhood are risk factors. Some melanomas can be caused by sun exposure however, not all. Other possible causes include genes or immune system problems.

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Nonmelanoma Skin Cancers

Non-melanoma skin tumors are more dangerous than melanomas. They can grow, however when they’re not treated and can cause disfigurement as well as other health issues that are serious. Basal cell carcinoma, as well as squamous cells carcinoma, are the two main kinds of non-melanoma skin cancers. These two types of cancer are rare if detected early.

Basal cell cancers are frequently found in skin cancers. They typically show up as fleshy, small bumps or nodules on one’s head and neck. However, they can also be seen in other places of the body. Basal cell carcinoma progresses slowly and is rarely spread to other parts of the body. However, it can infiltrate bone and cause significant damage.

Squamous cell carcinomas are cancerous tumors that can appear as nodules or the appearance of scaly, red patches. This type of cancer can grow to large masses and spread to other areas of the body, unlike basal cell carcinoma.

Age-related Premature, Other Skin Damage

Other skin disorders caused by UV exposure include actinic keratoses and premature aging of the skin. Actinic Keratoses refer to skin growths that occur in body areas that are exposed to sunlight. These kinds of lesions are typically found on the hand, face, neck, and forearms. Though they’re not malignant, actinic lesions are a risk factor in Squamous cell carcinoma. Be aware of reddish, raised bumps with a rough texture and seek urgent medical attention when you discover them.

It can also result from prolonged sun exposure. This could result in the skin becoming thicker, wrinkled, and becoming more brittle over time. Because it happens slowly, often manifesting itself several years after the bulk of a person’s sun exposure, premature aging is often seen as an inevitable, normal part of growing older. However, up to 90 percent of the visible skin changes often as a result of aging can be due to the sun. If you are protected against UV radiation, the majority of premature aging of the skin can be avoided.

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Cataracts and other eye damage

Cataracts are a type of eye injury that results in the loss of transparency within the lens of the eyes cloud vision. If untreated cataracts could lead to blindness. Research has shown that UV radiation increases the chance of having certain cataracts. Although they are curable by the latest eye surgery techniques cataracts affect the eyesight of millions of Americans and cost billions of dollars in medical care every year.

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Other types of eye damage include pterygium (tissue growth that may block 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 at its 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 99 to 100 percent UV protection.

Immune Suppression

Researchers have discovered that exposure to UV radiation could affect the function of the immune system and the skin’s natural defenses. The skin is normally able to defend itself against infections and cancers. Excessive exposure to UV radiation could make the skin less resistant to 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 follow to protect yourself from sun-related ailments

You can decrease the chance of contracting sun-related illnesses by taking some simple precautions. These are some of the steps you can take to reduce the risk of developing sun-related diseases:

  • Be sure to limit your time in the sun between the hours of 10:00 a.m. between 10:00 a.m. and 4:00 p.m.
  • If you can, look for shade.
  • Apply a broad spectrum sunblock that has a Sun Protection Factor (SPF) of at least 30.
  • Make sure you wear a broad-brimmed hat and, if possible, tight-woven, full-length clothes.
  • Wear UV-protective sunglasses.
  • Avoid tanning booths and sunlamps.
  • Be on the lookout for the UV Index daily.

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

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