UV index and sunburn time in Aland Islands
Peak UV index and how quickly unprotected skin burns, for 1 city in Aland Islands.
| City | Peak UV | Category | Month | Burns after |
|---|---|---|---|---|
| Mariehamn | 4.8 | Moderate | June | 49 min |
The same UV also drives vitamin D synthesis — and stops entirely for part of the year at higher latitudes. Vitamin D winters in Aland Islands →
Burn times are for skin type III with no sunscreen. How these are calculated