Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors in Yangzi, China, where the subtropical climate can lead to significant sun exposure. Being aware of daily UV levels helps in preventing sunburn, protecting skin health, and reducing the risk of long-term damage. With UV Index readings peaking at 12 during midday hours, it’s essential to take precautions against harmful rays, especially from 10 AM to 2 PM, when the sun is at its strongest. In this vibrant region, where summer days can be intense, staying informed about UV levels is vital for a safe and enjoyable outdoor experience.
Starting off the day at 7:00 AM with a UV Index of 2, the sun gradually gains strength. By 8:00 AM, it rises to 3, and the intensity sharply escalates to 6 by 9:00 AM. The peak arrives at 12:00 PM, where a UV Index of 12 signifies a high-risk level—perfect for those seeking a sunny afternoon. As the day progresses, the index dips to 11 at 1:00 PM but begins to decline to 9 by 2:00 PM and drops further to 4 at 4:00 PM. As the sun sets, the UV Index winds down, reaching 2 by 5:00 PM and slipping to 1 by 6:00 PM, signaling a safe time for outdoor evening activities. Be sure to protect yourself during the peak hours!
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 2 | low | 45 min |
08:00 | 3 | moderate | 30 min |
09:00 | 6 | high | 25 min |
10:00 | 8 | very high | 15 min |
11:00 | 11 | extreme | 10 min |
12:00 | 12 | extreme | 10 min |
13:00 | 11 | extreme | 10 min |
14:00 | 9 | very high | 15 min |
15:00 | 6 | 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, peaking during the summer months. High-risk months include May through August, where the UV Index consistently reaches extreme levels of 11 or 12 and the burn time is as brief as 10 minutes. As such, residents and visitors should take precautionary measures during these peak months, such as seeking shade, wearing protective clothing, and applying sunscreen regularly. In contrast, the UV Index lowers during the fall and winter months, with January and November presenting high levels but more extended burn times of up to 25 minutes. It remains essential for everyone to stay informed about daily UV levels and adapt their sun protection habits accordingly, especially during the highest risk periods.
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 |
Yangzi | 6 | 7 | 9 | 10 | 11 | 12 | 12 | 12 | 10 | 8 | 6 | 5 |
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 |