Degree of UV radiation
POLAND
The research was conducted in the northern part of Europe in Poland (Gdynia, 54.50° N 18.55° E, 33 m above sea level). The degree of UV radiation during the project duration, i.e., between September 2019 and August 2020, was recorded based on historical data from the weather online service for the city of Gdynia [The scope of the UV index for the city of Gdynia (Poland) during the project [