UV Index in Cao Bang

Thursday

05/11/2026

Current UV Index:

2.37

Moderate

Apply broad-spectrum SPF 30+ sunscreen. Wear a hat and UV-blocking sunglasses if outdoors during midday hours.

UV Index Scale

Low

0 - 2

Minimal Risk Wear sunglasses on bright days. No broad-spectrum sunscreen required unless outdoors for extended periods near reflective surfaces.

Moderate

3 - 5

Moderate Risk Apply broad-spectrum SPF 30+ sunscreen. Wear a hat and UV-blocking sunglasses if outdoors during midday hours.

High

6 - 7

High Risk Apply broad-spectrum SPF 30+ sunscreen every 2 hours. Seek shade between 10:00 AM and 4:00 PM, and wear a wide-brim hat, protective clothing, and UV-blocking sunglasses.

Very high

8 - 10

Higher Risk Minimize outdoor activity between 10:00 AM and 4:00 PM. Apply broad-spectrum SPF 30+ generously every 2 hours, and wear UV-protective long sleeves, pants, a wide-brim hat, and wrap-around sunglasses.

Extremely

11+

Extreme Risk Avoid outdoor exposure between 10:00 AM and 4:00 PM. Unprotected skin and eyes can burn in minutes. If outdoors, wear SPF 50+ sunscreen, UPF clothing, a wide-brim hat, and wrap-around sunglasses.