Vitamin D from sunlight in Brazil
How long you need in the sun to make vitamin D, and when the sun is too low to make any at all, for 8 cities in Brazil.
| City | Latitude | Elevation | Vitamin D winter |
|---|---|---|---|
| São Paulo | 23.55°S | 769 m | none |
| Rio de Janeiro | 22.91°S | 12 m | none |
| Belo Horizonte | 19.92°S | 888 m | none |
| Salvador | 12.98°S | 4 m | none |
| Fortaleza | 3.72°S | 18 m | none |
| Manaus | 3.10°S | 20 m | none |
| Brasília | 15.78°S | 1,136 m | none |
| Curitiba | 25.43°S | 924 m | none |
The same sun that makes vitamin D also burns. UV index and sunburn times in Brazil →