UV index and sunburn time in Ecuador
Peak UV index and how quickly unprotected skin burns, for 3 cities in Ecuador.
| City | Peak UV | Category | Month | Burns after |
|---|---|---|---|---|
| Quito | 19.7 | Extreme | March | 12 min |
| Guayaquil | 16.9 | Extreme | March | 14 min |
| Cuenca | 19.3 | Extreme | March | 12 min |
The same UV also drives vitamin D synthesis — and stops entirely for part of the year at higher latitudes. Vitamin D winters in Ecuador →
Burn times are for skin type III with no sunscreen. How these are calculated