Last updated: May 3, 2025
Understanding the UV Index is crucial for the residents of Yaolu, China, as it plays a vital role in protecting your skin from harmful ultraviolet radiation. With peak UV levels reaching as high as 13 during the hottest hours of the day, awareness of these fluctuations can help prevent sunburn and long-term skin damage. Nestled in a Cfa climate zone, Yaolu experiences a warm and humid climate that amplifies UV exposure risks, especially from late morning to early afternoon. By monitoring the UV Index, you can take proactive measures to safeguard your health and enjoy the beautiful outdoors responsibly.
The UV Index for the day starts off mild, peaking at 1 at 7:00 AM, and gradually increases to a moderate level of 2 by 8:00 AM. As the sun climbs higher, the intensity rises sharply, reaching its maximum of 13 at 12:00 PM and sustaining this level until 1:00 PM, indicating a significant risk for sun exposure. Post noon, the UV Index begins to decline, dropping to 9 by 3:00 PM and further tapering off to a gentle 3 at 5:00 PM. By 6:00 PM, it settles back to a comfortable 1, perfect for evening strolls. This pattern highlights the importance of seeking shade and protection during the peak hours, especially between 11:00 AM and 1:00 PM when the UV radiation is most intense.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 8 | very high | 15 min |
| 11:00 | 11 | extreme | 10 min |
| 12:00 | 13 | extreme | 10 min |
| 13:00 | 13 | extreme | 10 min |
| 14:00 | 12 | extreme | 10 min |
| 15:00 | 9 | very high | 15 min |
| 16:00 | 5 | moderate | 30 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV index levels vary significantly, peaking during the summer months. January begins with a UV Index of 7 (high exposure) and a burn time of 25 minutes, while February sees a jump to 9 (very high), reducing burn time to 15 minutes. The trend continues with March and April, both recording an extreme UV Index of 11 and a burn time of just 10 minutes. The months of May through August are particularly high-risk, peaking at 14 in July, meaning that unprotected skin can burn in as little as 10 minutes. September starts to decrease slightly but remains extreme at 11, and by October and November, the index drops to 10 and 8 respectively, with longer burn times of 15 minutes. Finally, December ends the year with a UV Index of 6 (high), allowing for a burn time of 25 minutes. Visitors and residents should take precautions during the high-risk months (February through September), utilizing sunscreen, wearing protective clothing, and limiting sun exposure during peak hours to safeguard their skin health.
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 |
| Yaolu | 7 | 9 | 11 | 11 | 13 | 13 | 14 | 13 | 11 | 10 | 8 | 6 |
| 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 |