Tag Archives: UVB

Ultraviolet Rays Damage of the Sun

Fresh air, sunshine and adventure give us a happy, healthy and challenging experience. Although the best benefit of outdoor activities is that we can spend the day in the fresh air and sunshine, it is wise to put on sun-protective clothing so that you can enjoy more fun in the sun.

Invisible to the naked eye, ultraviolet (UV) rays are part of the electromagnetic energy from the sun. Both the longwave of UVA rays and the shortwave of UVB rays can penetrate the earth’s atmosphere and cause damage to our skin. It is estimated that 95% of the radiation reaching the earth’s surface comes from UVA rays. UVA rays can cause wrinkles, sun spots and other signs of premature aging. UVB rays cause sunburn and even skin cancer because they damage the top layer of the skin. The UV index measures the average person’s level of risk of damage from the sun’s ultraviolet rays. Sunlight is a major source of ultraviolet radiation. Exposure to UV rays can cause sunburn, premature skin aging and skin cancer. UV rays damage the DNA of skin cells, which can lead to skin cancer. 

Therefore, it’s important to know how to stay out of the sun when you are playing outside. Wearing a UPF sun-protective hat is one of the safest ways to do this. Although there are many types of sun-protective hats on the market, such as straw hats, bucket hats, fedora hats and more. When choosing a hat, make sure it is specifically designed for sun protection and tested to confirm its UPF rating.

UPF is a system that for evaluating the effectiveness of fabrics against both UVA and UVB rays. This rating is a number that indicates the level of sun protection of the hat. The larger the number, the greater the protection. Most of sun hats come with a UPF 50+ protection rating, which is the highest protection rating. A UPF of 50+ hat blocks out more than 98 percent of UV rays, which means less than 2 percent of UV rays reach your skin, reducing your exposure to the sunlight. In general, hats with high UPF ratings and wide brims are especially useful for protecting you from the sun and its rays.    

There are many fair-skinned people who are prone to sunburn and are more vulnerable to UV rays. Even if you have a darker complexion and rarely get sunburn, you can still develop skin cancer. Children’s skin is thinner and more sensitive. Sun damage at an early age also increases their risk of skin cancer later in life. Since 80 percent of skin damage occurs before the age of 18, it’s good to get kids started to wear sunscreen as early as possible. People who spend a lot of time outdoors at high elevations are exposed to more intense UV rays. Because the atmosphere is less capable of absorbing harmful UV radiation, it is important to stay protected at high altitudes.

Thick, dense, and darker fabrics can better reduce the transmission of UV rays. Synthetic fabrics, such as polyester and nylon keep out of the sun more effectively than natural fabrics such as cotton and hemp.