Last updated: July 2, 2025
Understanding the UV Index is crucial for the residents of Sanguansi, China, where the climate, categorized as Cfa, brings warm summers and significant sun exposure. With UV levels peaking at an alarming 13 around midday, awareness of these readings is essential for sunburn prevention and promoting overall skin health. As daily activities unfold under the sun, grasping the varying UV intensity can help you protect yourself and enjoy the outdoors safely, keeping the harsh effects of UV radiation at bay. Stay informed and safeguard your skin while soaking in the beauty of your surroundings!
The UV Index rises sharply as the day progresses, peaking in the early afternoon. At 07:00, it starts at a mild 1, but by 09:00, it escalates to 5, signaling the arrival of more intense sunlight. 10:00 sees the index reach 8, and by 11:00, it hits a formidable 11, indicating high exposure risk. Just one hour later, the UV Index reaches its zenith at 12:00 with a striking 12, and the maximum is recorded at 13:00 at 13. However, after this peak, UV levels begin to descend, dropping to 11 by 14:00, and gradually falling to 8 at 15:00. As the sun sets, the UV Index dwindles to 5 by 16:00, and finally tapers off to 3 at 17:00, before returning to a safe 1 from 18:00 onwards. It's a day to heed sun safety, particularly during those intense midday hours!
| 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 | 12 | extreme | 10 min |
| 13:00 | 13 | 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 vary significantly, indicating changing seasonal risks for skin damage. High-risk months typically span from March to September, with the most critical periods occurring from April to August, where the UV Index reaches an extreme level of 11 to 13 and the burn time is as short as 10 minutes. In contrast, January and February are marked as high-risk months as well, but with slightly less intensity (UV Index 6 and 7). Conversely, the fall and winter months (October to December) show a decline in UV exposure, with October being very high and December falling to a moderate level. Visitors and residents are strongly advised to take precautions, such as wearing sunscreen, protective clothing, and seeking shade during the peak UV times, especially from late morning to early afternoon, to minimize the risk of sunburn and long-term skin damage.
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 |
| Sanguansi | 6 | 7 | 8 | 11 | 11 | 11 | 13 | 12 | 11 | 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 |