UV Protection Tool

How long can you
stay in the sun?

Enter the current UV index and your skin type to find your safe unprotected exposure window.

UV Index Moderate

Moderate risk Use sunscreen, wear a hat

Skin Type Type II — Fair

Always
burns

Usually
burns

Sometimes
burns

Rarely
burns

Very
rarely

Almost
never

Low risk

47 min

before unprotected skin starts to burn

UV Index 5 — Moderate

Skin Type II — Fair

SPF 30 extends to 23 hrs

SPF 50 extends to 39 hrs

Based on WHO Fitzpatrick MED thresholds. Times assume midday sun at sea level with no cloud cover. Always use SPF 30+ when UV index exceeds 3.