Last updated: June 2, 2025
Awareness of the UV Index is crucial for residents and visitors in Yangba, China, where the region's Cwa climate brings a mix of sunshine and significant UV exposure throughout the year. Understanding UV levels is essential for preventing sunburn and promoting long-term skin health, especially during the peak hours when UV rays can reach dangerous levels—peaking at 12 between noon and 1 PM. Protecting yourself against UV radiation not only helps to ward off immediate skin damage but also reduces the risk of lasting health issues. With Yangba's sunny disposition, staying informed about the UV Index can empower you to enjoy the outdoors responsibly while keeping your skin safe from harmful rays.
As the sun rises, the UV Index starts off low at 1 by 07:00, gradually climbing to a moderate 2 by 08:00. Things heat up by 09:00, where the index reaches 4, signaling a need for caution. 10:00 brings a sharp surge to 7, followed by a peak of 12 at both 12:00 and 13:00, indicating high levels of UV radiation. As the afternoon unfolds, the index begins to dip, dropping to 11 at 14:00 and then gradually decreasing to 9 by 15:00. By 16:00, the value lowers to 6, and as evening approaches, the levels continue to decline, reaching 3 at 17:00 and finally settling back to 2 by 18:00 and 1 by 19:00. It's a day that emphasizes the importance of sun protection, especially during those peak hours between 10:00 and 14:00.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 4 | moderate | 30 min |
| 10:00 | 7 | high | 25 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 12 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 11 | extreme | 10 min |
| 15:00 | 9 | very high | 15 min |
| 16:00 | 6 | high | 25 min |
| 17:00 | 3 | moderate | 30 min |
| 18:00 | 2 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV exposure varies significantly, influencing safety for residents and visitors. The high-risk months for UV radiation are from March to September, where the UV Index frequently reaches very high to extreme levels. April and May are particularly critical, with a peak UV Index of 12, indicating an extreme risk of harm from unprotected sun exposure. Burn times during these months can be as short as 10 minutes, highlighting the urgency for proper sun protection. Conversely, the winter months of January, November, and December present lower UV indices, classified as moderate, with burn times extending to 30 minutes. Visitors and residents should ensure they wear protective clothing, apply sunscreen regularly, and seek shade during peak sunlight hours, especially in the warmer months.
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 |
| 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 |
| Yangba | 5 | 7 | 8 | 10 | 12 | 12 | 12 | 12 | 11 | 8 | 5 | 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 |