What Is The Uv Index Today?


What is the best UV index to tan?

What UV Index Is Best For Tanning? – When it comes to tanning, the UV index is a very important factor. The lower the UV index scale number, the less ultraviolet radiation from the sun reaches your skin. A reading of 0-2 indicates low risk; 3-5 is moderate risk; 6-7 is high risk; 8-10 is a very high risk, and 11+ is very dangerous.

  • If you’re after that sun-kissed glow without risking your skin’s health, you might be wondering: what’s the sweet spot for UV exposure for me? A rating of 4 or 5 is generally perfect for getting a golden tan without burning to a crisp or putting yourself at risk of skin cancer.
  • So don’t be a lobster – aim for that UV index sweet spot and get your tan on safely! It’s also important to consider other factors when determining what level of UV exposure may be best for tanning purposes.

Your skin type can play a significant role in how you handle UV exposure. For example, if you have fair skin with light freckles and tend to burn more than tan, it may be best to avoid higher levels of UV exposure altogether to protect your skin. On the other hand, those with darker complexions who tan easily can likely handle higher levels of UV exposure safely, though they should still be careful not to overdo it.

Is 12 UV index high?

11 or more: Extreme – A UV Index reading of 11 or more means extreme risk of harm from unprotected sun exposure. Take all precautions because unprotected skin and eyes can burn in minutes.

Try to avoid sun exposure between 10 a.m. and 4 p.m. If outdoors, seek shade and wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days, and after swimming or sweating. Watch out for bright surfaces, like sand, water and snow, which reflect UV and increase exposure.

How long should I tan in UV 7?

How long will it take to tan at a UV index of 7? – You can stay safely in the UV index of 7 for approximately 30 minutes ( 2–70 minutes ) before you get sunburned. The exact value depends on the altitude, the presence of water/snow, your skin type, and the use of sunscreen.

How long should I tan in UV 11?

Table 1: Minutes of Sunlight Exposure for Sufficient Vitamin D –

Skin Type I: Always burn, never tan
UV 3-5 10-15 min.
UV 6-7 5-10 min.
UV 8-10 2-8 min.
UV 11+ 1-5 min.
Skin Type II: Burn easily, rarely tan
UV 3-5 15-20 min.
UV 6-7 10-15 min.
UV 8-10 5-10 min.
UV 11+ 2-8 min.
Skin Type III: Occasionally burn, slowly tan
UV 3-5 20-30 min.
UV 6-7 15-20 min.
UV 8-10 10-15 min.
UV 11+ 5-10 min.
Skin Type IV: Rarely burn, rapidly tan
UV 3-5 30-40 min.
UV 6-7 20-30 min.
UV 8-10 15-20 min.
UV 11+ 10-15 min.
Skin Type V & VI: Never burn, always dark
UV 3-5 40-60 min.
UV 6-7 30-40 min.
UV 8-10 20-30 min.
UV 11+ 15-20 min.


SKIN REACTION TO SUNLIGHT UV Index 3-5 6-7 8-10 11+ Skin type I: Always burn, never tan 10-15 min. 5-10 min. 2-8 min. 1-5 min. Skin type II: Burn easily, rarely tan 15-20 min. 10-15 min. 5-10 min. 2-8 min. Skin type III: Occasionally burn, slowly tan 20-30 min. 15-20 min. 10-15 min. 5-10 min. Skin type IV: Rarely burn, rapidly tan 30-40 min. 20-30 min. 15-20 min. 10-15 min. Skin type V & VI: Very rarely burn, always dark 40-60 min. 30-40 min. 20-30 min. 15-20 min.

The recommendations in the above table assume that you are exposed to this amount of sunlight at least 3 times per week, wearing a swimsuit or shorts and a T-shirt, and have not applied sunscreen. If you wear sunscreen, your whole body is covered with clothing, or the UV index is 2 or lower, you will not get enough vitamin D.

  • In general, the UV index is higher between 10:00 am and 4:00 pm, and during summer months.
  • You can find the UV index at a specific time on a specific day for a specific location at www.weather.com,
  • It is important to remember that too much sun exposure can cause premature aging of the skin and other skin problems, cataracts and other eye damage, suppression of the immune system, and even skin cancer,

Recommended sun exposure times are based on the amount you need to get sufficient vitamin D while minimizing risk of overexposure to sunlight. If you think your skin type is sensitive to sun exposure or you live in a place with a typically lower UV index, you can get vitamin D by choosing vitamin D rich foods or supplements.

Can you tan in 3 UV?

What UV index is best for tanning? – Your skin needs both UVA and UVB light to tan. That’s because UVA light darkens the pigment cells already inside your skin vs. UVB light which causes your skin to make more pigment cells, So how do you decide what is a good UV index for tanning? If your aim is to tan safe, we recommend only tanning during moderate UV conditions* *This is a general recommendation and varies depending on your location, altitude, and skin tone.

Moderate includes UV index ranges from an index of 3 to 5, vs. high which is 6-7, very high which is 8-10 and extreme which is 11+. The higher your UV index is, the faster your skin can burn, so it’s important to bear in mind how long you plan on staying outside in order to minimize risk and damage to your skin.

The best thing you can do is take advantage of your skin’s natural protective mechanisms by supporting the tanning process with a tan accelerating body lotion like Base Tan, That way, your skin has everything it needs to rapidly produce more melanin, even if you are trying to tan with low UV.

Is UV 5 high enough to tan?

So what UV index is best for tanning? It actually depends on each person’s skin phototype, but generally, you’ll encounter less risks if you tan at under level 7. It’s not advisable to go beyond that range because you increase the risk of sun damage, especially if you’re on the paler side.

What is the highest UV ever recorded?

The Highest UV Index ever recorded on Earth was 43.3, detected on December 29, 2003, at the top of the Licancabur Volcano in the Andes mountain range.

What UV level is damaging?

The UV Index Scale – The UV Index scale used in the United States conforms with international guidelines for UVI reporting established by the World Health Organization. UV Index 0-2 means minimal danger from the sun’s UV rays for the average person. Most people can stay in the sun for up to one hour during peak sun (10 am to 4 pm) without burning. However, people with very sensitive skin and infants should always be protected from prolonged sun exposure. UV Index 3-5 means low risk of harm from unprotected sun exposure. Fair-skinned people, however, may burn in less than 20 minutes. Wearing a hat with a wide brim and sunglasses will protect your eyes. Always use a broad-spectrum sunscreen with an SPF Sun protection factor. ” data-mobile-support=”0″ data-gt-translate-attributes=””>SPF of at least 30, and wear long-sleeved shirts when outdoors. UV Index 6-7 means moderate risk of harm from unprotected sun exposure. Fair-skinned people, however, may burn in less than 20 minutes. Wearing a hat with a wide brim and sunglasses will protect your eyes. Always use a broad-spectrum sunscreen with an SPF of at least 30 and wear long-sleeved shirts when outdoors. Remember to protect sensitive areas like the nose and the rims of the ears. Sunscreen prevents Sunburn A reddening of the skin caused when ultraviolet radiation damages blood vessels close to the skin's surface. Sunburn occurs when the skin cannot produce protective melanin quickly enough or in sufficient quantity. ” data-mobile-support=”0″ data-gt-translate-attributes=””>sunburn and some of the sun’s damaging effects on the Immune System The mechanism of the body that attacks any substance or objects that appear to be foreign, such as viruses, transplanted organs, and sometimes cancerous cells. ” data-mobile-support=”0″ data-gt-translate-attributes=””>immune system, Use a lip balm or lip cream containing a sunscreen. UV Index 8-10 means high risk of harm from unprotected sun exposure. Fair-skinned people may burn in less than 10 minutes. Minimize sun exposure during midday hours of 10 am to 4 pm. Protect yourself by liberally applying a Broad-Spectrum Sunscreen A sunscreen that offers protection against both UVA and UVB radiation from the sun's rays. ” data-mobile-support=”0″ data-gt-translate-attributes=””>broad-spectrum sunscreen of at least SPF 30. Wear protective clothing and sunglasses to protect the eyes. When outside, seek shade. Don’t forget that water, sand, pavement, and glass reflect UV rays even under a tree, near a building or beneath a shady umbrella. Wear long-sleeved shirts and trousers made from tightly-woven fabrics. UV rays can pass through the holes and spaces of loosely knit fabrics. UV Index of 11+ means a very high risk of harm from unprotected sun exposure. Fair skinned people may burn in less than 5 minutes. Outdoor workers and vacationers who can receive very intense sun exposure are especially at risk. Minimize sun exposure during midday hours of 10 am to 4 pm. Apply broad-spectrum SPF 30+ sunscreen every 2 hours, more frequently if you are sweating or swimming. Avoid being in the sun as much as possible and wear sunglasses that block out 99-100% of all UV rays (UVA and UVB). Wear a hat with a wide brim which will block roughly 50% of UV radiation from reaching the eyes.

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Is 2 hours in the sun too much?

UV Index Values Defined – Listed below are the various UV Index Values and what we should do to protect ourselves at each level: A UV Index of 0-2 (Low) means there is minimal danger from the sun’s UV rays for the average person. Most people can stay in the sun for up to 1 hour during peak sun (10 a.m.

Wear UV-blocking sunglasses on bright days. If you burn easily, cover up and use broad spectrum SPF 30+ sunscreen. Watch out for bright surfaces, like sand, water and snow, which reflect UV rays and increase exposure.

A UV Index of 3-5 (Medium) means there is a low risk of harm from unprotected sun exposure. Fair skinned people may burn in less than 20 minutes.

Stay in shade near midday when the sun is the strongest. Wear protective clothing, a wide-brimmed hat and UV-blocking sunglasses.

A UV Index of 6-7 (High) means there is a moderate risk of harm from unprotected sun exposure. Fair skinned people may burn in less than 20 minutes. Protection against significant skin and eye damage is essential.

Reduce time in the sun between 10 a.m. and 2 p.m. If outdoors, try to stay in a shaded area.

A UV Index of 8-10 (Very High) means there is high risk of harm from unprotected sun exposure. Fair skinned people may burn in less than 10 minutes. Minimize as much sun exposure as possible during the midday hours of 10 a.m. to 2 p.m.

Liberally apply a broad spectrum sunscreen of 30+ SPF. Wear protective clothing and UV-blocking sunglasses to protect your eyes. When outside, seek shade. Don’t forget water, sand, pavement and glass reflect UV rays — even under a tree, near a building or beneath a shade umbrella. Wear long sleeved shirts and trousers made from tightly-woven fabrics. UV rays can pass through the holes and spaces of loosely knit fabrics.

A UV Index of 11+ (Extreme) means there is a very high risk of harm from unprotected sun exposure. Fair skin people may burn in less than 5 minutes. Outdoor workers and vacationers who can receive very intense sun exposure are especially at risk.

Minimize as much sun exposure as possible during midday hours of 10 a.m. to 2 p.m. Apply a broad spectrum SPF 50+ sunscreen every 2 hours. Wear sunglasses that block out 99-100% of all UV rays (UVA and UVB). Wear a cap or a hat with a wide brim which will block roughly 50% of UV radiation from reaching the eyes.

Most of us are used to adjusting our daily plans and choice of clothing to accommodate the weather forecast – especially to temperature predictions. Similar to temperature, the UV Index also gives us a daily forecast of UV radiation levels and the potential danger of sun exposure — helping us make wise, healthy choices when determining just how much sun is too much sun.

Do you tan faster in water?

Does The Skin Tan Quicker When You’re In Water Like A Swimming Pool Or The Ocean? – The answer is that it depends on how long you are in the water and how strong the sun’s rays are. Generally, your skin will tan quicker when you’re in a swimming pool or ocean because of the reflection from the surface of the water.

  • This reflection amplifies any direct exposure to UV radiation from the sun, which leads to more efficient tanning.
  • However, this efficiency varies depending on the amount of time spent under UV radiation and whether you use sunscreen.
  • If you use sunscreen while swimming or spending time in a body of water, then it can reduce your skin’s exposure to UV rays and limit its ability to tan quickly.

Plus, if you are only exposed secondarily to sunlight reflection from water for a short period without protection (even as little as 30 minutes), that might not necessarily result in a more efficient tan than what could be achieved with longer periods of no sunscreen outside without being submerged in water.

Does SPF stop you from tanning?

Does sunscreen prevent tanning? – Our skin is often exposed to hours of sunlight. To avoid irreversible damage to the skin cells it is essential to wear sunscreen whenever you go outside, but some of us may think this will reduce our chances of getting a tan.

  1. Sunscreen does not prevent you from tanning, because it does not protect your skin from 100% of UVA radiation.
  2. Applying SPF 30+ protects you from 97% of UV rays, while SPF 50+ from 98%.
  3. This means that some rays will still reach your skin despite wearing sunscreen, so it will not prevent tanning completely.

You will still be able to get some colour on your skin, just at a slower, more manageable rate, whilst lowering the risks of damaging your skin, This does, however, mean that you are able to burn. With SPF 30, it will take roughly 30 times longer to burn than if you leave yourself unprotected in the sun, assuming it is correctly applied,

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Chemical-based sunscreen absorbs UV rays and alters them before they penetrate the skin and cause damage. Physical-based sunscreen reflects the rays away from your skin. As explained above, no sun cream is 100% effective against protecting your skin so you can tan with sunscreen.

Can I still tan with SPF 50?

Can You Still Tan with SPF 50? – The higher SPF your sunscreen is, the more sun protection you’ll get. So does SPF 50 sunscreen prevent tanning? Technically, yes.With SPF 50, 2% of UV rays are able to penetrate the skin. That’s how you’re still able to get a tan even with a high SPF.

Will tan work after 3 hours?

Once applied you can wash the tan off after just 2 hours, but for a deeper long lasting tan leave on your skin for up 8 hours. It really is personal choice. You might have to test it out a few times, to work out what suits you the best! For best results, we recommend letting your tan develop 6-8 hours.

Can you tan at 4pm?

Make sure to: –

reapply sunscreen every 2 hours and after going in waterapply products with SPF to your hairline, feet, and other places that can be easily misseduse at least an ounce of sunscreen to cover your body (about the size of a full shot glass)roll over frequently so you have less chance of burningdrink water, wear a hat, and protect your eyes with sunglasses

There are no health benefits to tanning. The practice of lying in the sun is actually risky and increases the potential of developing skin cancer. If you’re going to tan, however, and your goal is to tan quickly, the best time is between 10 a.m. and 4 p.m. Always wear a product with SPF when tanning, drink lots of water, and roll over frequently to avoid getting burnt.

Can you tan with clouds?

Can you tan through clouds? – A cloudy sky may not seem like the best choice for tanning, but it is still possible to tan! According to research and studies, around 90% of UV rays penetrate clouds, therefore reaching your skin. Even if you can’t feel the sun on your skin, the UV rays that lead to tanning are still present.

However, it is important to note that different types of clouds allow for different amounts of UV rays to pass through. Thick, grey, stormy clouds will absorb and block more rays than white, fluffy clouds. It is essential to remember that the visible sunlight is not what causes you to tan, but the UV rays that you can’t physically see.

So even if it doesn’t look like the most picturesque, summer day outside, there’s no reason why you can’t grab a bottle of sunscreen and head for the sun loungers!

Why tanning is good?

Health Benefits – Several health benefit claims such as improved appearance, enhanced mood, and increased vitamin D levels have been attributed to tanning. Furthermore, the Indoor Tanning Association claims that “catching some rays may lengthen your life”,

  1. Exposure to sunlight has been linked to improved energy and elevated mood.
  2. The belief that people look better with a tan may partially explain this phenomenon.
  3. A report on the tanning attitudes of young adults found that 81% of individuals in 2007 felt that a tan improved appearance, whereas only 58% of individuals in 1968 held the same belief,

Individuals with seasonal affective disorder report improved mood status when exposed to sunlight and to frequently tan, Although early studies had suggested that mood elevation was linked to increased endorphin levels, subsequent studies have not found such correlation,

The Indoor Tanning Association claims that a base tan can act as “the body’s natural protection against sunburn”, UV induced tans offer a sun protection factor (SPF) of 3–4, but additional changes besides hyperpigmentation, such as epidermal hyperplasia, likely play a role in UV induced photoprotection.

While an SPF of 3–4 does protect from sunburn, only approximately 65% of the erythema induced by UV radiation is blocked, Therefore a base tan does not provide adequate protection and appropriate clothing, the proper use of sunscreens, and prudent sun exposure remain essential for sunburn prevention.

Can you tan in 30 minutes?

Conclusion: Finding the Right Tanning Method – Finding the right tanning method to achieve your desired results without compromising your skin’s health is essential. After exploring various factors affecting tanning and different techniques, we can consider several crucial factors for an effective and safe tanning experience. When figuring out how to tan without burning, it’s important to:

  • Know your skin type and its ability to tan
  • Use sunscreen with the appropriate SPF
  • Gradually increase sun exposure time to avoid burning

Now, let’s explore the question, ‘How long does it take to get a tan?’ The answer varies depending on factors like skin tone, UV index, and individual genetic factors. However, generally speaking, some people might notice a tan after about 20-30 minutes of sun exposure, while others may need a few hours in the sun or several sessions within a week to see noticeable results.

  • Spray tans or self-tanners for an instant tan
  • Tanning beds for quicker results, but with caution due to potential health risks

Remember that while tanning might be desirable, it’s crucial to prioritize your skin’s health. Skin damage caused by excessive sun exposure or improper tanning methods can lead to long-term issues. Understanding your skin, knowing how to protect it, and using the right tanning methods can make the tanning process safer and more efficient. Simone is a beauty expert and founder of Beautymone. She started the site in 2018 and grew her audience to 195K views per month. Her beauty recommendations have been featured in Bustle, She Finds, Web Health Magazine, Mic, Hello Giggles, etc. Click here to learn more.

Can you tan through a window?

Can You Get a Tan Through a Window? – Yes, you can get a tan through a window with standard glass because it allows UVA rays to pass through. However, it would take a long time, so don’t expect a glowing tan from sitting in a conservatory for a few hours.

Is tanning better than Burning?

What is a base tan? – There is no scientific definition of a base tan, but people typically use the term to loosely refer to getting a tan before further sun exposure. To get a base tan, some people may expose their skin to the sun directly by sunbathing outside.

Others may use a tanning bed or lights, also called indoor tanning. Both the sun and indoor tanning give off 2 types of harmful ultraviolet (UV) radiation that affect your skin: ultraviolet A (UVA) radiation, which can pass through glass, and ultraviolet B (UVB) radiation, which cannot. Exposure to either kind of UV radiation can lead to skin cancer.

When you expose your skin to UV radiation, either by direct sun exposure or through indoor tanning, skin cells called melanocytes produce melanin to protect your skin from these dangerous rays. The melanin is what gives your skin a darker color or tan. “It is a misconception that tanned skin is healthy skin. Tanned skin is, in fact, damaged skin! There is no safe way to expose yourself to UV radiation, whether with sun exposure or with tanning beds. Choosing to avoid tanning is choosing to lower your risk of developing skin cancer.” – Katy K.

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Can you tan in the shade?

Can you still get a tan while sitting in the shade? Yes, you can still get a tan while sitting in the shade, although it may be less intense and take longer to develop than if you were in direct sunlight. This is because UV rays can still penetrate through clouds and reflect off surfaces, such as water, sand, or snow.

What UV index is a sunbed?

Technology can sometimes seem overly complicated. But one of the good things about sunbeds is that they’re actually very simple and straightforward, making it easy for all of us to understand how they work, even if we’re not technologically-minded. So how exactly do they work? To properly understand how sunbeds work, we need to look at how sunbathing works.

  • When we’re lying on the beach in sunny Spain, those powerful UV rays from the sun are what create chemical changes in the body, affecting the appearance of the skin.
  • There are two forms of UV light that can travel as far as earth: UVA light and UVB light.
  • UVA light accounts for 95% of all UV light from the sun that reaches our planet.

This type of light is what helps produce a natural-looking, golden tan. UVB light accounts for the remaining 5%, and it’s this form of UV light that can redden the skin and make it burn. Are sunbeds the same as sunbathing? Almost. But not quite. Sunbeds feature tanning lamps that emit the same type of UV rays as the sun.

  • In fact, while models do vary, it’s estimated that the average sunbed emits UV at an index of 12, which is about equal to the UV rays emitted by the midday sun on the equator, so they’re incredibly strong.
  • What makes sunbeds different is that most sunbeds produce even more UVA (the type of light that produces a tan) and even less UVB (the type of light that can cause burns) than natural sunlight.

In fact, studies have found that some models can produce up to 99% UVA and just 1% UVB. That’s why you can build a tan in less time than you can on the beach. Around 20 minutes on a sunbed is equivalent to around 4 hours in the sun, And that’s really all there is to the technology behind sunbeds.

  1. Regardless of whether you opt for an over bed canopy, a lie-down sunbed, or an stand-up sunbed model, sunbeds all work in the same way: they expose the skin to the same UV light as the sun emits.
  2. Of course, it’s not really ‘the same’.
  3. But studies have found that ‘ no difference has been detected between the reaction of our skin to artificially generated radiation and solar radiation of the same composition’, so for all intents and purposes, it’s the same.

How do Sunbeds Produce a Tan? The technology behind sunbeds only does so much. A big part of how sunbeds work is the body’s own biological responses to UV light. When exposed to this form of light, a chemical known as melanin is released in the body. It’s initially released deep down in cells called melanocytes, but as the chemical rises towards the surface of the skin, it becomes easier to see the brown-coloured hue that it produces.

  • That’s your tan.
  • And so the best way to use sunbeds is to ensure that all parts of your body that you want tanned are exposed to the tanning tubes which emit the UV light.
  • Depending on the type of bed you’re using, you may need to turn over during your session to expose both the front and back of your body.

You should also remember to cover up any areas that you don’t want tanned, and to wear goggles to protect your eyes. So is a sunbed tan permanent? No. Just like a natural tan, the glow you get from a sunbed is only temporary. How many sunbed sessions to get a tan really depends on your skin type, and skin sensitivity.

Most people can develop a great-looking tan in 2 or 3 sessions per week, with each session adjusted based on individual skin type needs. However, as well as considering how many sunbeds a week to get a tan, you should also think about how long to leave between sunbeds. Some people believe that tanning every day will give them the results they’re looking for, but the truth is that overdoing it can leave you with skin that looks wrinkled, leather, and coarse.

Instead of tanning every day, you’ll get better results if you leave at least 24 hours between sessions, and ideally 48 hours if you have a lighter type II skin type. You should also try not to exceed 60 sessions per year, according to the European Standard.

  1. If you’re worried that your tan will fade during your rest periods, don’t.
  2. There are a couple of different ways to help maintain your sunbed tan for longer without UV exposure: 1.
  3. Exfoliate By exfoliating your skin before tanning, you’re getting rid of all the dead skin cells on the surface of the skin that are about ready to flake off.

This gives you a strong, fresh foundation upon which to build your tan, and can help to boost your rich colour.2. Use a Tan Extender Tan extenders are especially formulated lotions and creams that expertly moisturise the skin after tanning to keep it looking and feeling healthy.

How long does it take to tan in UV index 4?

How Long Does It Take To Tan Outdoors?

Skin Type Description Sun Exposure Time for Tanning
II Fair, burns before tanning 10-30 minutes
III Medium, tans gradually 20-30 minutes
IV Olive or light brown, tans easily 40-60 minutes
V Moderately pigmented brown, very rarely burns 40-60 minutes

What does a UV index of 2 mean?

What Is The Uv Index Today Alongside the day’s high and low temperatures, weather reports generally contain a UV index for a particular time. But what does it actually mean – and what should you do about it? Ultraviolet light is a form of radiation invisible to the human eye. Ultraviolet wavelengths of sunlight are made up of UVB, which has shorter wavelengths (of 290 to 320 nanometres) and higher energy, and UVA, which has longer wavelengths (320 to 400 nm) and lower energy.

Both types of UV damage skin cells and both are thought to contribute to skin cancer, But UVB causes sunburn and UVA contributes more to ageing and penetrates deeper skin layers. It is estimated that 7220 cases of melanoma – 63% of the total number – in Australia in 2010 and all of the 750,000-plus non-melanoma skin cancers were due to exposure to our high-UV climate.

The Ultra Violet Radiation Index (UVI) has been around for more than 20 years and gives a measure of the intensity of the sun, using both UVA and UVB. The World Health Organisation recommends protecting our skin from the sun when the UVI is 3 or higher.

  1. So the “alert” applies to the block of time the UVI is 3 or above though the course of any day.
  2. UVI 1-2 is low, which generally means it’s safe to be outdoors unprotected.
  3. Other classifications are moderate (3-5), high (6-7), very high (8-10) and extreme (11+).
  4. To some extent, the moderate to very high labels tell us little except that UV intensity is increasing.

The most simple advice is that when the index is at 3 or higher, protect your skin. Hence the “alert”. To illustrate, today in Cairns the period when sun protection was needed was 8.10am to 4.10 pm, with a UV Index peak of 13 and extreme levels between about 10am and 2pm.