At what UV index should I wear sunscreen? [High UV] — Sep 2025
The UV index measures the strength of ultraviolet radiation.
Step 1
UV Index 0-2: Minimal risk, no sunscreen needed.
Step 2
UV Index 3-5: Moderate risk, wear sunscreen.
Step 3
UV Index 6-7: High risk, apply sunscreen and seek shade.
Step 4
UV Index 8-10: Very high risk, reapply sunscreen every 2 hours.
Step 5
UV Index 11+: Extreme risk, avoid sun exposure.
Step 6
Check the UV Index — Look up the UV index for your area before heading outdoors.