Vitamin D from sunlight in El Salvador
How long you need in the sun to make vitamin D, and when the sun is too low to make any at all, for 3 cities in El Salvador.
| City | Latitude | Elevation | Vitamin D winter |
|---|---|---|---|
| San Salvador | 13.69°N | 653 m | none |
| Soyapango | 13.71°N | 634 m | none |
| San Miguel | 13.48°N | 130 m | none |
The same sun that makes vitamin D also burns. UV index and sunburn times in El Salvador →