Last updated: May 3, 2025
In Yushan, China, awareness of the UV Index is crucial for safeguarding your skin and overall health. Understanding UV levels can significantly reduce the risk of sunburn and long-term skin damage, especially in the region's humid subtropical climate, where the sun's rays can be particularly intense. With maximum UV Index values peaking at 11 around noon, it's essential for residents and visitors alike to stay informed about daily UV exposure risks and take proactive measures to protect themselves from harmful effects. Embrace the beauty of Yushan's sunshine while keeping skin health a priority!
The UV Index throughout the day presents a dynamic picture of sun exposure. As early as 7:00 AM, the index starts at a mild 2, ramping up to a moderate 4 by 8:00 AM. The sun's intensity peaks around 11:00 AM and 12:00 PM with a striking 11, marking the height of caution for outdoor activities. As we move into the afternoon, the index gradually declines, dropping to 8 by 2:00 PM and further to 5 by 3:00 PM. The evening brings relief, with the UV Index decreasing to a 1 by 5:00 PM and finally hitting 0 by 7:00 PM. It’s clear that the midday hours pose the greatest risk, so sun safety measures are essential during those peak times.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 4 | moderate | 30 min |
| 09:00 | 7 | high | 25 min |
| 10:00 | 9 | very high | 15 min |
| 11:00 | 11 | extreme | 10 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 8 | very high | 15 min |
| 15:00 | 5 | moderate | 30 min |
| 16:00 | 3 | moderate | 30 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
As the seasons change, so do UV Index levels, with the highest risks occurring from March to October. During this period, particularly May through August, the UV Index reaches extreme levels of 11 to 12, resulting in a burn time as low as 10 minutes. The high-risk months are March (9) and April (10), where the burn time decreases to 15 minutes, indicating a shift from moderate to very high exposure. In contrast, January and February see a high UV Index of 6 and 7, where burn time remains relatively longer at 25 minutes. To protect yourself, visitors and residents are advised to take precautions, including seeking shade and wearing protective clothing, especially during peak UV hours, which typically fall between 10 a.m. and 4 p.m. Pay attention to daily UV forecasts and always use sunscreen when outdoors, particularly during the high and extreme months.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Beijing UVI | 2 | 3 | 5 | 8 | 9 | 9 | 10 | 9 | 7 | 6 | 4 | 2 |
| Chengdu UVI | 5 | 6 | 8 | 10 | 12 | 11 | 11 | 10 | 11 | 8 | 6 | 4 |
| Shanghai UVI | 5 | 6 | 8 | 10 | 10 | 11 | 12 | 11 | 11 | 8 | 6 | 4 |
| Yushan | 6 | 7 | 9 | 10 | 11 | 12 | 11 | 11 | 10 | 8 | 6 | 5 |
| Guangzhou UVI | 7 | 9 | 11 | 12 | 13 | 13 | 13 | 12 | 11 | 10 | 9 | 7 |
| Shenzhen UVI | 7 | 10 | 12 | 12 | 14 | 13 | 13 | 13 | 12 | 11 | 9 | 7 |