UV Index — What It Means, Levels Explained & Sun Protection Guide


UV Index Explanation


The UV Index measures the strength of ultraviolet (UV) radiation from the sun at a specific place and time. The higher the UV Index, the greater the potential for skin and eye damage and the more important it is to protect yourself. UV Index is categorized into different levels that indicate the risk of harm from unprotected sun exposure.

UV IndexLevelRecommendation
0–2LowNo protection needed.
3–5ModerateUse sunscreen and wear sunglasses.
6–7HighCover skin and avoid peak sun hours.
8–10Very HighFull protection required: hat, sunglasses, sunscreen.
11+ExtremeStay indoors if possible. Full protection mandatory.