UV index and sunburn time in Laos
Peak UV index and how quickly unprotected skin burns, for 2 cities in Laos.
| City | Peak UV | Category | Month | Burns after |
|---|---|---|---|---|
| Vientiane | 15.1 | Extreme | August | 15 min |
| Savannakhet | 15.2 | Extreme | August | 15 min |
The same UV also drives vitamin D synthesis — and stops entirely for part of the year at higher latitudes. Vitamin D winters in Laos →
Burn times are for skin type III with no sunscreen. How these are calculated