How much UV index will cause tanning? When the index is greater than 3, you need sunscreen.

What UV index will cause a tan? Ultraviolet rays are something many people know about. They are invisible, but they do have an impact on the skin. So what is the UV index that will cause tanning? Do I need sun protection when the UV index is 3?

What is the UV index that will cause tanning?

5. If the UV index exceeds 5, you will get tanned. When the UV index is 5 and 6, it means that the amount of UV rays is of medium intensity, which will also have a moderately harmful effect on human skin. However, we cannot use the UV index to measure the tanning condition, because people's physiques are different, so the tanning conditions caused by absorbing UV rays are different.

UV Index Different Measures Recommended

When the ultraviolet rays are at level 0 to 2, they are the weakest and have little effect on the human body. You can still wear a sun hat.

When the UV rays are at level 3 to 4. In addition to preparing a sun hat, you also need to prepare sunglasses and apply sunscreen on your body.

When the ultraviolet intensity reaches level 5 to 6, you cannot walk directly under the sun outside and you need to walk in the shade.

UV index 7 to 9. It is best not to go out between 10 am and 4 pm, let alone walk on the beach, as you can easily get tanned and possibly get your skin peeled.

If the UV index is greater than level 10, don't go out as it will cause great harm to your skin.

Do I need sun protection if the UV index is 3?

Sun protection is required when the UV index is 3, and it is necessary when going out to avoid getting a tan. You can choose transparent clothes. Ultraviolet rays have a relatively strong ability to penetrate, and ordinary clothes can be penetrated. You still need to wear sun-protective clothing, transparent ones will do, and you should also prepare sun hats and the like.

This is the introduction to the UV index. When the index is greater than 3, sun protection is needed.