Last updated: May 3, 2025
Understanding the UV Index is essential for residents of Naozhi, China, where the Dwb climate brings unique sun exposure challenges. As UV levels peak around midday, reaching an intensity of 9, it's crucial to be aware of potential risks such as sunburn and long-term skin damage. By tracking UV index fluctuations throughout the day, especially between 10 AM and 1 PM, individuals can better protect their skin and maintain overall health. With the right precautions, you can enjoy the outdoors confidently while keeping harmful UV radiation at bay.
As the day unfolds, the UV Index climbs steadily, peaking at a maximum of 9 between 11:00 AM and 12:00 PM, signaling the most intense sun exposure. Early risers at 7:00 AM experience a gentle 2, but by 8:00 AM, the intensity increases to a moderate 4. The midday hours bring the highest risk, with values hitting 8 at 10:00 AM and maintaining a robust 9 just before noon. As the afternoon wanes, the index begins to decline, dipping to 7 at 1:00 PM, and gradually falling to 5 and 4 by 2:00 PM and 3:00 PM, respectively. By 4:00 PM, it drops to a mere 2, ending the day with a minimal 1 at 5:00 PM and fading to 0 by 7:00 PM. It's a great reminder to protect your skin 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 | 9 | very high | 15 min |
| 12:00 | 9 | very high | 15 min |
| 13:00 | 7 | high | 25 min |
| 14:00 | 5 | moderate | 30 min |
| 15:00 | 4 | 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 |
The UV Index experiences significant seasonal variations, peaking in the summer months and dropping during winter. From January to February, the UV Index remains at a moderate level (3-4), allowing for a burn time of 30 minutes. As spring approaches in March, the index rises to 7, categorizing it as high, with a reduced burn time of 25 minutes. The most critical months emerge from April to July, where the UV Index reaches 8 to 11, categorized as very high to extreme, resulting in a burn time as short as 10 minutes in July. August to September maintains this high-risk status with the index dropping slightly to 8, but still with a 15-minute burn time. In October, the risk decreases to a high level (6) with a burn time of 25 minutes, while November and December see a return to moderate and low exposure categories (3 and 2, respectively), allowing for longer burn times at 30 to 45 minutes. Visitors and residents are advised to take extra precautions during the high-risk months from April to September, such as wearing sunscreen, protective clothing, and seeking shade, especially during peak hours.
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 |
| Naozhi | 3 | 4 | 7 | 8 | 9 | 10 | 11 | 10 | 8 | 6 | 3 | 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 |