Vitamin D from sunlight in Qatar
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 Qatar.
| City | Latitude | Elevation | Vitamin D winter |
|---|---|---|---|
| Doha | 25.29°N | 11 m | none |
| Ar Rayyān | 25.29°N | 23 m | none |
| Lusail | 25.42°N | 4 m | none |
The same sun that makes vitamin D also burns. UV index and sunburn times in Qatar →