Are ultraviolet rays strong on cloudy days

Cloudy weather is the kind of weather where there is basically no sunshine. This kind of weather can be hot and humid or cool. Ultraviolet rays are a natural effect of nature. It not only brings some benefits to nature, but also brings a lot of benefits to us. However, it also has certain disadvantages. Some people say that the ultraviolet rays on cloudy days are particularly thin, so are the ultraviolet rays on cloudy days strong?

Ultraviolet rays are sometimes particularly strong in cloudy or rainy weather, because clouds mainly reflect visible light, while ultraviolet rays are not reflected, so ultraviolet rays will not be weakened much when it is cloudy or rainy.

As the hot summer approaches, more and more people are aware of the damage that ultraviolet rays can do to the skin. However, ultraviolet rays from the sun are present every day, but the strength varies. You can be exposed to ultraviolet rays on cloudy days, sunny days, summer, winter, outdoors, and even indoors. It is a new concept of sun protection and skin care that is worth promoting to take corresponding simple protection and key protection according to the strength of ultraviolet rays, and use high-quality sunscreen products suitable for daily use.

Ultraviolet light is a type of light that cannot be seen by the human eye. It can be divided into three types: long-wavelength ultraviolet light (UVA), medium-wavelength ultraviolet light (UVB) and short-wavelength ultraviolet light (UVC). There are two main sources of ultraviolet rays. One is natural radiation source, which is electromagnetic radiation caused by sunlight. The other is artificial radiation source. Any material heated to a temperature exceeding 2500K will begin to emit. Therefore, at night in places with strong lighting, such as dance halls, the skin will also be damaged by ultraviolet light.

There are two types of ultraviolet rays that can harm human skin: UVA and UVB. Among them, UVB with a shorter wavelength will cause shallow damage, only reaching the epidermis of the skin, causing sunburn and sunburn; if there is no

If you continue to be exposed to UVB radiation, with the 4-week skin growth cycle, the damaged surface skin will slough off and the skin will gradually return to its white color. However, the damage caused by UVA can penetrate into the dermis of the skin, not only causing tanning and sunburn, but also causing premature aging of the skin, and the effects are difficult to recover.

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