How the sun affects you depends on two things: the amount of UV radiation you receive, measured by the UVI level, and how your skin reacts to that radiation, indicatively provided by your skin type.
The skin types used for this app are taken from the World Health Organisation. You can see more about them here.
| Skin type classification | Do you burn in the sun? (without protection) | Do you tan after having been in the sun? |
|---|---|---|
| 1 | Always | Seldom |
| 2 | Usually | Sometimes |
| 3 | Sometimes | Usually |
| 4 | Seldom | Always |
| 5 | Naturally brown skin | |
| 6 | Naturally black skin |
Read more about this project here.