Last updated: July 2, 2025
Understanding the UV Index in Changgang, China is essential for safeguarding your skin and overall health. With rising UV levels peaking at a striking 11 around midday, awareness becomes a critical line of defense against sunburn and long-term skin damage. Changgang's Cfa climate means hot, humid summers that can amplify UV radiation risks. Knowing the daily UV fluctuations helps locals and visitors alike plan effective sun protection strategies, ensuring that outdoor activities remain enjoyable and safe. Whether you’re heading out for a stroll or enjoying a day at the park, staying informed about the UV Index can significantly enhance your sun safety.
The UV Index dramatically rises throughout the morning, starting at a mild 1 at 7:00 AM and reaching a peak of 11 by noon, marking a period of intense sun exposure. From 10:00 AM to 13:00 PM, the index remains at high levels, suggesting it’s crucial to take protective measures, such as wearing sunscreen and seeking shade. As the afternoon progresses, the UV Index gradually declines, dipping to a manageable 4 by 4:00 PM, before settling back to 1 by 6:00 PM. This data highlights the importance of being aware of UV levels, especially during peak hours, to ensure safety and minimize skin damage.
| 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 | 8 | very high | 15 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 10 | very high | 15 min |
| 15:00 | 7 | 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 |
As the seasons change, so does the UV Index, which significantly impacts sun exposure risks. January and February present a moderate risk with a UV Index of 5, allowing for a burn time of 30 minutes. However, from March to August, the UV Index spikes, reaching an extreme level of 11 during the summer months, where a mere 10 minutes of exposure can lead to burns. This makes March to August the high-risk period, especially in April and May when the index reaches its peak. September and October maintain a very high level at 10 and 8, respectively, with shorter burn times of 15 minutes. November sees a shift to a high risk with a UV Index of 6, and December eases to a moderate risk. Residents and visitors are advised to take precautions during the high-risk months by using sunscreen, wearing protective clothing, and seeking shade to minimize UV exposure and potential 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 |
| Changgang | 5 | 5 | 8 | 9 | 11 | 11 | 11 | 11 | 10 | 8 | 6 | 4 |
| 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 |