SunticSun-safety guides & UV index tips
Understand the UV index, protect your skin and make smarter decisions in the sun.
What is the UV Index?
What does the UV index mean? It's a 0-11+ scale for how strong the sun's UV radiation is. Here's what it measures, how to read it, and how to use it to protect your skin.
Read the guide →What is the UV Index?
What does the UV index mean? It's a 0-11+ scale for how strong the sun's UV radiation is. Here's what it measures, how to read it, and how to use it to protect your skin.
Read guide →How to Read the UV Index
Reading the UV index isn't about memorising the bands, it's about getting an accurate live number for your exact spot. Here's where to find one, the mistakes that trip people up, and how to act on it.
Read guide →UV Index 1 to 11+ Explained
The UV index scale runs from 0 to 11+ across five risk bands. Here's what each band means, what to do at each level, and why your skin type matters.
Read guide →What the UV Index Means for Your Skin
The UV index tells you how strong the sun is, but what it means for your skin depends on UV type, your skin type, and how long you're exposed.
Read guide →Skin Types and the Sun: The Fitzpatrick Scale
Your skin type sets how fast you burn at a given UV index. Here's the Fitzpatrick scale of six phototypes, what each means, and why every type needs protection.
Read guide →The UV Index by Season: Why Winter Sun Still Burns
UV rises and falls with the seasons, yet cold can still bring a high index. Here's how season, latitude and altitude shape UV, and why temperature misleads.
Read guide →Highest UV Index in the World: Where the Sun Is Strongest
Where is the UV index highest? High-altitude tropics, deserts and clear Southern-Hemisphere skies see the most extreme UV. Here's what drives record readings and the sunniest cities.
Read guide →Best UV Index for Tanning
Can you tan at UV 2, 3, 5 or 6? No UV level is risk-free, but UV 3 to 5 tans more slowly with less burn risk than UV 6 and above. See what each level means.
Read guide →Can You Tan at UV 6?
Yes, UV 6 can tan skin, but it is a high UV level that can also burn unprotected skin quickly. Learn how UV 6 compares with UV 3 and UV 5, and why there is no fixed safe tan time.
Read guide →Best Time of Day to Tan
Wondering when to tan today? Morning and late afternoon have lower UV than the midday peak. See the best hours, whether you can tan at 4pm or 5pm, and how to check your local UV.
Read guide →Can You Tan in the Morning?
Yes, you can tan in the morning if there is enough UV, but it happens more slowly than at midday. Learn what changes at 8am or 9am, and how to check whether morning sun is strong enough where you are.
Read guide →Can You Tan at 4pm, 5pm or Later in the Day?
Yes, you can still tan at 4pm or 5pm when UV is lower than at midday. Find out how late you can tan, what changes by season, and how to check today's UV where you are.
Read guide →When Does the Sun Stop Tanning You?
The sun stops producing a noticeable tan once UV has fallen very low, but there is no universal cut-off time. Learn why 5pm, sunset and the end of tanning change with the season and where you are.
Read guide →How Long Does It Take to Get a Tan?
How long it takes to tan depends on the UV index, your skin type and whether you burn first. Here's a realistic guide to tanning time, and why faster is never better.
Read guide →Tanning Safely With the UV Index
A UV index tanning guide: how fast each UV level tans and burns, why there's no fixed tan time, and how to use the number to lower the risk if you choose to tan.
Read guide →How Tanning Actually Works: Melanin, UVA and UVB
A tan is your skin defending itself against UV. Here's how melanin, UVA and UVB darken skin, why a tan signals injury, and what it means for safer tanning.
Read guide →Self-Tanner: How to Get a Tan Without the UV Risk
Self-tanner is the only way to get colour with zero UV damage. Here's how it actually works, how to apply it without streaks or patches, and why it still isn't sunscreen.
Read guide →When Is the Sun Strongest?
What time is UV highest today? The sun is strongest around solar noon, usually 10am to 4pm in summer. Learn how the peak shifts with the season, latitude and altitude.
Read guide →How Long Should You Stay in the Sun?
There's no single safe number of minutes in the sun. It depends on the UV index, your skin type and your SPF. Here's how to estimate your limit, and how long it takes to tan.
Read guide →Cloudy Weather and UV Rays
Do clouds block UV rays? Only partly. Light cloud lets most UV through and you can still burn on an overcast day. Here's how much UV cloud blocks, and why.
Read guide →Sunburn Prevention Tips
Practical sunburn prevention tips: check the UV index, use broad-spectrum SPF 30+ properly, seek shade at peak hours, cover up and protect children.
Read guide →SPF and the UV Index Explained
What SPF really means, why broad spectrum matters, how much sunscreen to apply, and how to combine SPF with the UV index for smarter sun protection.
Read guide →What UV Index Do You Need Sunscreen?
Health authorities recommend sun protection from UV index 3 and above. Here's what that means, when you can skip sunscreen, and why fair skin and reflection change the rule.
Read guide →How to Treat Sunburn: After-Sun Care That Works
Caught too much sun? Here's the evidence-based way to treat sunburn, from cooling and hydrating to what to avoid, plus the signs you should see a doctor.
Read guide →Vitamin D and the Sun: How Much Do You Really Need?
Sunlight helps your body make vitamin D, but with less exposure than most think. Here's how it works, why you can't bank it by burning, and what experts advise.
Read guide →Vitamin D Deficiency: Signs, Causes and When to Get Tested
Fatigue, bone aches and low mood can all point to low vitamin D, especially with limited sun exposure. Here's who's at risk, how it's diagnosed, and what actually raises your level.
Read guide →How Much Sunscreen to Apply (and How Often)
Most people apply too little sunscreen. Use this simple face-and-body guide to see how much to apply, how often to reapply, and how much to pack for a week in the sun.
Read guide →How Much UV Do Water, Snow and Sand Reflect?
Snow, water and sand reflect UV and add to your exposure. See how much each surface bounces back, why reflected UV can cause burns, and how to protect yourself outdoors.
Read guide →UV and Your Eyes: Protecting Your Sight in the Sun
Your skin isn't the only thing UV harms. Here's how the sun affects your eyes, what to look for in sunglasses, and why UV400 matters as much as sunscreen.
Read guide →How to Choose Sunglasses That Actually Block UV
Not all sunglasses block UV, and price or lens darkness won't tell you. Here's what UV400 actually means, why polarized isn't the same as UV-protective, and what else helps.
Read guide →UV Index Myths, Debunked
Common UV index and sun-protection myths debunked: cloudy days, skin tone, cold weather, base tans, windows and the difference between UV and heat.
Read guide →Does a Base Tan Protect You From Sunburn?
Does a base tan prevent sunburn? Barely. A tan is worth only about SPF 2 to 4, and feeling pre-protected can make you burn more. Here's why, and what to do instead.
Read guide →Tanning Beds vs the Sun: Is Indoor Tanning Safer?
Are tanning beds worse than the sun? Sunbeds emit intense, mostly UVA radiation and the WHO rates them a known carcinogen. Here's how indoor tanning and a solarium compare to natural sunlight.
Read guide →Can You Tan Through a Window?
Can you get a tan through glass? Ordinary windows block most UVB, but UVA still passes through many home and car side windows. See what that means for tanning and skin damage.
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