uv index sunscreen reddit [High UV] — Sep 2025

The UV index measures the strength of ultraviolet (UV) radiation.

Step 1

SPF 30 for moderate UV index (3-5)

Step 2

SPF 50 for high UV index (6-7)

Step 3

SPF 70+ for very high (8-10) and extreme (11+) levels

Step 4

Check the UV Index — Look up the daily UV index to determine the level of sun protection needed.

Step 5

Select Sunscreen — Choose a broad-spectrum sunscreen with appropriate SPF and PA ratings.

Step 6

Apply Generously — Use about an ounce for full body coverage, applying evenly.

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