When is the UV strongest? Does UV still exist after the sun sets?

Ultraviolet rays are a type of light in nature. Generally speaking, you will encounter ultraviolet rays as long as you go out. So when are ultraviolet rays the strongest? Are there still ultraviolet rays after the sun goes down?

When is UV light strongest?

Ultraviolet rays are strongest at noon, so don't go out between 10 a.m. and 2 p.m. In terms of season, it is strongest in late spring and summer.

Ultraviolet rays have their own characteristics. Generally, the higher the altitude, the stronger the ultraviolet rays will be. When going out, try to go to places with shade from trees or on the shady side of a hillside. Also prepare sunscreen, or you may be white when you go out and black when you come back.

Does ultraviolet light still exist after the sun goes down?

There is still ultraviolet light even when the sun goes down.

The atmosphere refracts sunlight, resulting in trace amounts of ultraviolet rays still being in the air at night. Going out at night will also be affected by these trace amounts of ultraviolet rays, causing melanin to precipitate in the skin, which will then make your skin darker. You can still apply some sunscreen when going out at night.

Ultraviolet rays are generally strongest at noon, and there is also ultraviolet rays after the sun goes down.