Last updated: July 2, 2025
Staying informed about the UV Index is crucial for residents of Longquan, China, where the climate can amplify the risks associated with sun exposure. Understanding varying UV levels not only aids in sunburn prevention but also plays a vital role in safeguarding long-term skin health. With peak UV readings often soaring to 11 during midday hours, and a climate characterized by hot summers, it's essential to be vigilant about sun protection strategies to minimize the adverse effects of the sun’s harmful rays. Equip yourself with knowledge about the UV Index to enjoy the outdoors safely and responsibly!
The UV Index begins the day at a gentle 1 at 7:00 AM, ideal for early risers enjoying the outdoors. As the sun climbs, the index steadily rises, reaching 3 by 8:00 AM and hitting 5 at 9:00 AM. It's 10:00 AM when things heat up, peaking at a striking 11 by noon, making it crucial to take precautions. The UV Index holds steady at this maximum of 11 from 1:00 PM to 2:00 PM, signaling extreme exposure levels. Following this hour, conditions begin to cool down with a decline to 9 by 2:00 PM and tapering to 4 by 4:00 PM. As the day winds down, the index drops sharply to 1 by 6:00 PM, providing a gentle close to the day's UV exposure. Adapting outdoor activities in line with these UV fluctuations is essential for skin health!
| 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 | 10 | very high | 15 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 9 | 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 |
Throughout the year, the UV Index exhibits significant seasonal variations, with high-risk months typically occurring from March to September. The UV Index begins to rise in March, reaching a peak of 11 during the extreme risk months of July and August, where the burn time is reduced to just 10 minutes. As the seasons shift into autumn, the index gradually decreases, dropping to a moderate level of 5 in November and further to 3 in December. Residents and visitors should take precautions when the UV Index is high or extreme by limiting sun exposure, wearing protective clothing, and applying sunscreen to reduce the risk of skin damage. Advice is particularly crucial during the summer months, when the potential for harm is at its highest.
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 |
| Longquan | 4 | 5 | 7 | 8 | 10 | 10 | 11 | 11 | 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 |