Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors in Changfeng, China, especially given the region's Aw climate, characterized by hot summers and mild winters. With UV levels peaking at a moderate 13 around noon, it's essential to be vigilant about sun exposure. Knowing the daily UV Index helps in preventing sunburn and protecting long-term skin health, as the risks increase significantly during peak hours. Awareness of these levels not only fosters safer outdoor activities but also promotes overall wellness in a region that experiences notable UV exposure risks.
The UV Index during the day reveals a notable peak in sun exposure. Starting at 07:00 with a gentle 1, it gradually climbs to 2 by 08:00. As the sun rises higher, the index surges dramatically, hitting 5 at 09:00, and reaching a striking 8 by 10:00. The intensity peaks at 12:00 with a scorching 13, remaining high until 13:00. After that, it starts to decline, returning to 11 at 14:00 and falling to 8 by 15:00. As the afternoon wanes, the index drops to 5 at 16:00, and finally settles back to 1 by 18:00 and 19:00. This data highlights the importance of sun safety measures during the midday hours when UV exposure is at its highest.
| 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 | 11 | extreme | 10 min |
| 15:00 | 8 | very high | 15 min |
| 16:00 | 5 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV Index values in the region show significant seasonal changes, with the highest levels occurring from March to October. During these months, particularly from April to August, the UV Index reaches an extreme level of 14, indicating a burn time of only 10 minutes, which poses a serious risk of skin damage. February and March also present critical conditions, with UV Index values of 11 and 13, respectively. Conversely, during the late fall and winter months, particularly in November and December, the UV Index drops to 9 and 8, classified as very high, with slightly longer burn times of 15 minutes. Visitors and residents are strongly advised to take necessary precautions such as wearing sunscreen, protective clothing, and sunglasses during high-risk months, particularly from March through October, when the sun's intensity can cause harm in just a matter of minutes.
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 |
| 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 |
| Changfeng | 9 | 11 | 13 | 14 | 14 | 13 | 14 | 14 | 13 | 12 | 9 | 8 |