High risk. Burn damage can occur in under 15 minutes.
UV index 7 is firmly in the high-risk category. Unprotected fair skin will burn in under 15 minutes. This level demands active sun protection for anyone outdoors.
UV 7 is typical of peak summer sun in southern Europe, the US Sunbelt, and morning hours in tropical destinations. Even brief unprotected exposure during lunch can result in sunburn.
Estimated minutes until sunburn begins for each Fitzpatrick skin type at UV 7 without sunscreen or protective clothing.
| Skin Type | Burn Time | With SPF 30 | With SPF 50 |
|---|---|---|---|
| Type I - Very fair, always burns | 9 min | ~27 min | ~36 min |
| Type II - Fair, burns easily | 13 min | ~39 min | ~52 min |
| Type III - Medium, sometimes burns | 21 min | ~63 min | ~84 min |
| Type IV - Olive, rarely burns | 34 min | ~102 min | ~120 min |
| Type V - Brown, very rarely burns | 51 min | ~120 min | ~120 min |
| Type VI - Dark, never burns | 77 min | ~120 min | ~120 min |
Times are estimates based on Fitzpatrick skin typing at UV 7. Actual burn times vary by skin condition, altitude, reflection, and acclimatisation.
Limit midday outdoor activities. Water sports require waterproof SPF 50. Runners should schedule early morning or sunset sessions.
Personalise your sun exposure estimate based on skin type, SPF, and clothing.
Consider seeking shade or reapplying sunscreen.