Ultraviolet radiation causes skin cancer Excessive exposure to ultraviolet (UV) radiation can cause health problems. Skin can burn, age prematurely and the risk of skin cancer is increased. UV radiation can also damage the eyes. UV radiation also ...

Valitse kieli Suomi Välj språket Svenska Select language English Ultraviolet radiation and radon monitoring and communication The purpose of the Radiation and Nuclear Safety Authority’s (STUK’s) operations is to protect people, society, the enviro...

Sun's UV radiation Exposure to high levels of ultraviolet radiation (UV radiation) and burning of the skin increases the risk of skin cancer. Protection from the sun's UV rays is particularly important for children and people with fair skin, red h...

What is radiation? Radiation is a natural part of our living environment. There are two types of radiation - ionising and non-ionising. On the other hand, radiation can be either electromagnetic waves or particle radiation. Ionising radiation has ...

Radiation in appliances Electromagnetic fields from home, school and office equipment There are electric and magnetic fields in the vicinity of electrical appliances and wires in the home, school and office. Due to their low voltage, the electric ...

What is UV radiation? The sun's ultraviolet (UV) radiation is the most important source of UV radiation in the living environment. Exposure of the skin to large amounts of UV radiation and skin burn increase the risk of skin cancer. UV radiation c...

Valitse kieli Suomi Välj språket Svenska Select language English Radiation measurement data for 2024 The Radiation and Nuclear Safety Authority (STUK) provides companies and private citizens, among others, with various radiation-related measuremen...

Radiation in beauty care Many aesthetic or cosmetic treatments are based on treating the skin or body with radiation. Radiation is used, for example, to remove tattoos or body hair, to fade skin imperfections and to reshape the body by removing fa...

Valitse kieli Suomi Välj språket Svenska Select language English STUK’s supervision ensured the safety of radiation practices The use of radiation is a key part of modern healthcare and is also involved in many processes in heavy industry as well ...

Valitse kieli Suomi Välj språket Svenska Select language English Measurements in the environment and laboratories: radiation measurement data from 2023 The Radiation and Nuclear Safety Authority (STUK) provides companies and private citizens, amon...

6.5.2025 | Throughout Finland at this time of year, the UV index exceeds the level requiring protection. Awareness among Finns of the cancer risks of UV radiation has improved, but sun protection for children has declined.

Beauty care and sunbeds Radiation is used in many beauty treatments such as hair removal, skin cleansing, hardening lash glue or treatments to improve the appearance of the skin. The radiation used can be ultrasound, visible light, electromagnetic...

Sunbeds The most dangerous devices in the home and in beauty care in terms of radiation are sunbeds for tanning the skin. They produce ultraviolet (UV) radiation with which it is possible to tan, and in the worst case, burn skin. A permanent tan a...

Please enter one or more search word Search Clear 42 results Who is the sunbed's responsible person and what are their duties? The responsible person is appointed by the sunbed owner and is tasked with ensuring the safe use of the sunbed. For exam...

Supervision of beauty care and solarium services The Radiation and Nuclear Safety Authority supervises the use of radiation in beauty care and solarium services, but the responsibility for the safety of the services is always solely on the service...

Protect yourself properly from the sun Avoid burning and get gently used to the sun. Repeated burning increases the risk of malignant melanoma. Therefore, burning should be avoided. Particularly important is protection from the sun's ultraviolet (...

Information for sunbed service providers The use of sunbeds is prohibited for children under 18 years of age. In addition, according to the Radiation Act, each sunbed site shall have a designated responsible person who is always present when the s...

Contact us Report a radiation safety deviation Serious radiation safety incidents and radiation hazards must be reported by telephone: Radiation and Nuclear Safety Authority, switchboard: 09 759 881 (weekdays 8 a.m.–4:15 p.m.) General emergency nu...

5.2.2026 | The Nordic Radiation Safety Authorities advise against using sunbeds Do not use sunbeds. There is a proven risk of skin cancer associated with using sunbeds, and there is no safe lower limit for exposure to UV radiation from sunbeds. Background fo...

23.5.2023 | Outdoor environments for children must offer sun protected areas A joint statement from the Nordic radiation protection authorities Exposure to ultraviolet radiation (UV) from the sun can cause severe negative health effects. For example, up to 90...