Last updated: August 1, 2025
Understanding the UV Index is vital for residents and visitors of Tianba, China, where sunseekers can face significant UV exposure, especially during the peak hours of midday. As the climate here falls within the Cwa zone, the sun's intensity can soar, with UV levels reaching as high as 13 around noon. Being aware of these fluctuations can significantly aid in sunburn prevention and promote long-term skin health. By grasping the potential risks associated with high UV levels, you can take informed steps to protect yourself and enjoy the sunshine safely. Whether you're lounging outdoors or engaging in physical activities, knowing the UV Index empowers you to make smart choices for your skin.
The UV Index data paints a vivid picture of the sun's intensity throughout the day. Starting at dawn, the index was low, peaking at 1 at 7 AM. As the hours progressed, the UV Index climbed steadily, reaching a notable 12 by noon—a signal for sun protection. The sun's power peaked at 1 PM with an impressive index of 13, demanding caution for those outside. As the afternoon wore on, the index began its descent, dropping to 9 at 3 PM. By the evening, it returned to a mild 1 at 6 PM, heralding a safe retreat from the day's solar intensity. This data serves as a reminder to adapt our outdoor plans as the sun travels across the sky.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 7 | high | 25 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 11 | extreme | 10 min |
| 15:00 | 8 | 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 exhibit significant variation, with the highest peaks occurring during the summer months. January and December experience a moderate UV Index of 5, allowing for a safer outdoor experience with a burn time of 30 minutes. As spring approaches, UV levels begin to rise, peaking in April and July with an extreme UV Index of 11 and 13, respectively, resulting in a mere 10-minute burn time during these high-risk months. The late spring and summer from March through September present serious risks, with indices reaching 12 or higher, necessitating caution. Visitors and residents are advised to take precautions by seeking shade, wearing protective clothing, and applying sunscreen regularly, especially during the high-risk months of March through September when exposure is most dangerous. As fall arrives, UV levels start to decrease, offering slightly safer conditions but still remaining vigilant in October and November with indices of 9 and 7.
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 |
| Tianba | 5 | 7 | 9 | 11 | 12 | 12 | 13 | 12 | 12 | 9 | 7 | 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 |