Last updated: May 3, 2025
In Nanyang, China, being aware of the UV Index is crucial for skin health and sunburn prevention, especially considering the region's climate and typical exposure risks. Understanding UV levels helps residents and visitors alike make informed decisions about sun safety during the day. With temperatures rising, particularly during midday when the UV Index peaks at a severe level of 11 around noon, it’s essential to take precautions to protect your skin. Remember, a little awareness can go a long way in preventing sun-related damage while enjoying the sunny days in this vibrant city!
The UV Index for the day exhibits a pronounced peak around midday, starting from a gentle 1 at 07:00 and climbing steadily. By 09:00, it reaches a moderate 5, advancing to a more intense 7 by 10:00. The sun's strength continues to rise, hitting a maximum of 11 at 12:00, making it crucial to take sun protection measures. The intensity begins to wane after that, dropping to 10 at 13:00, then gradually easing to 9 at 14:00. By late afternoon, the levels decline further to 6 at 15:00, before settling at 4, 2, and finally returning to 1 by evening, illustrating the day's clear UV radiation cycle.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 7 | high | 25 min |
| 11:00 | 9 | very high | 15 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 6 | high | 25 min |
| 16:00 | 4 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, exposure to ultraviolet (UV) radiation shows significant seasonal variation. January and February present moderate UV Index levels of 4 and 5, respectively, allowing for a burn time of 30 minutes. As spring approaches, March sees an increase to a high UV Index of 7 (burn time of 25 minutes), followed by April, which reaches a very high UV Index of 9 and reduces burn time to 15 minutes. The UV intensity peaks in May at an extreme 11, necessitating a cautious approach with a burn time of just 10 minutes. Through the summer months of June, July, and August, the UV Index remains very high at 10, maintaining a burn time of 15 minutes. In September and October, UV levels gradually decline to 9 and 8, respectively, yet still require vigilance during outdoor activities with a burn time of 15 minutes. The UV Index drops again in November to 5 and falls further to 3 in December, with longer burn times of 30 minutes. Visitors and residents should remain cautious during the high-risk months of April through October, seeking shade, wearing protective clothing, and applying sunscreen regularly to mitigate the risks associated with UV exposure.
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 |
| Nanyang | 4 | 5 | 7 | 9 | 11 | 10 | 10 | 10 | 9 | 8 | 5 | 3 |
| 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 |