UV index and sunburn time in Chad
Peak UV index and how quickly unprotected skin burns, for 3 cities in Chad.
| City | Peak UV | Category | Month | Burns after |
|---|---|---|---|---|
| N'Djamena | 16.0 | Extreme | August | 15 min |
| Moundou | 16.5 | Extreme | September | 14 min |
| Abéché | 16.1 | Extreme | August | 14 min |
The same UV also drives vitamin D synthesis — and stops entirely for part of the year at higher latitudes. Vitamin D winters in Chad →
Burn times are for skin type III with no sunscreen. How these are calculated