Last updated: May 3, 2025
In Changxing, China, being aware of the UV Index can significantly impact your health and well-being. Understanding UV levels is crucial for sunburn prevention and maintaining skin health, especially in a climate characterized by dry winters and hot summers. During peak hours, the UV Index can soar to levels of 8, indicating a high risk of harm from unprotected sun exposure. With the region's typical climate presenting considerable sun exposure risks, it becomes essential to stay informed and take protective measures to enjoy the outdoors safely.
During the day, the UV Index experiences a noticeable rise, peaking at 8 between 10:00 AM and 12:00 PM, indicating a high risk of harm from unprotected sun exposure. Early morning sees a mild start with a value of 2 at 07:00, gradually climbing to 6 by 09:00. As the sun reaches its zenith, the index plateaus at 8, where it's crucial to take sun safety precautions. After noon, the levels begin to decline, descending to 5 at 02:00 PM and continuing to fall to a much lower 1 by 05:00 PM. By 07:00 PM, the UV Index plummets to 0, signifying a safe time to venture outdoors without fear of UV damage. Overall, the data illustrates a typical day's sun exposure risks, highlighting the importance of sun protection during peak hours.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 4 | moderate | 30 min |
| 09:00 | 6 | high | 25 min |
| 10:00 | 8 | very high | 15 min |
| 11:00 | 8 | very high | 15 min |
| 12:00 | 8 | very high | 15 min |
| 13:00 | 7 | high | 25 min |
| 14:00 | 5 | moderate | 30 min |
| 15:00 | 3 | moderate | 30 min |
| 16:00 | 2 | low | 45 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
As the seasons change, so do UV exposure levels, significantly impacting residents and visitors. January and December see a low UV Index of 2, allowing for safer outdoor activities with a burn time of 45 minutes. February and March ramp up to moderate levels (UV Index 3 and 5), where a burn can occur in 30 minutes. By April, the UV Index climbs to high (7), and from May through August, it reaches very high (8-10), peaking in July with an extreme index of 11, necessitating vigilant sun protection as burn time drops to just 10 minutes. September sees a decline back to high levels (7), while October and November again reflect moderate exposure. Visitors and residents should be particularly cautious between April and August, utilizing sunscreen, protective clothing, and seeking shade during peak hours to prevent skin damage.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Changxing | 2 | 3 | 5 | 7 | 8 | 9 | 11 | 10 | 7 | 5 | 3 | 2 |
| 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 |