Last updated: June 2, 2025
In Longwang, China, awareness of the UV Index is crucial for safeguarding your skin health and preventing sunburn. With the region's Cfa climate, residents and visitors alike should be mindful of UV exposure, especially during peak hours when the index reaches levels of 9 and 10. Understanding these UV levels not only helps protect against harmful effects such as skin damage and increased cancer risk, but also empowers individuals to enjoy outdoor activities while staying safe. As sunlight intensifies throughout the day, knowledge of the UV Index can make all the difference in maintaining healthy skin and enjoying the beautiful outdoors.
The UV Index peaks during the midday sun, reaching a maximum of 10 at noon, indicating a high risk of harm from unprotected sun exposure. As the day progresses, the index rises steadily from a mild 1 at 07:00 to an intensity of 9 by 11:00, prompting outdoor enthusiasts to stay protected. From 12:00 to 13:00, the UV Index remains at its highest, encouraging the use of sunscreen, hats, and protective clothing. Following this peak, it begins to dip gradually, falling to 4 by 16:00 and continuing to decrease to 1 by 19:00, when the day winds down and the sun begins to set. It's crucial to be mindful of these fluctuations and take necessary precautions during the peak hours!
| 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 | 10 | very high | 15 min |
| 13:00 | 10 | very high | 15 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, UV levels fluctuate significantly, with high-risk months typically occurring from March to October. During this period, the UV Index peaks, reaching 11 in May, July, and August, indicating an extreme risk of harm from unprotected sun exposure, with a burn time of just 10 minutes. The transition into spring sees a rise from a moderate index of 5 in January and February to very high levels by April, emphasizing the need for increased sun protection. Visitors and residents should be especially diligent during these high-index months, employing protective measures like sunscreen, hats, and sunglasses to minimize the risk of skin damage. As the sun’s intensity decreases in November and December, the risk levels return to moderate, allowing for more tolerable outdoor activities with proper precautions.
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 |
| Longwang | 5 | 5 | 7 | 9 | 11 | 10 | 11 | 11 | 9 | 8 | 5 | 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 |