Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors of Altan Xiret, China, where high-altitude exposure increases the risk of harmful UV radiation. As part of the region's BSk climate, this area experiences significant variations in UV levels throughout the day, particularly peaking at 10 between noon and 1 PM. Awareness of these fluctuations is vital for skin health and sunburn prevention, enabling individuals to take necessary precautions against the sun's damaging effects. By keeping an eye on the UV Index, you can enjoy the outdoors while protecting your skin from potential harm.
At the break of dawn, the UV Index begins at a low of 1 at 7:00 AM, inviting early risers to enjoy the cool morning air. As the sun climbs higher, the intensity increases, peaking at 10 between 12:00 PM and 1:00 PM—the perfect time to seek shade and protect your skin. The afternoon sees a slight decline, with values dropping to 9 at 2:00 PM and easing down to 5 by 4:00 PM. As evening approaches, the UV levels taper off to 3 at 5:00 PM and return to a safe 1 by 7:00 PM, signaling a gentle close to the sun-soaked day. Remember, during peak hours, it’s crucial to step up your sun protection game!
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 | 5 | moderate | 30 min |
17:00 | 3 | moderate | 30 min |
18:00 | 1 | low | 45 min |
19:00 | 1 | low | 45 min |
Throughout the year, UV exposure levels exhibit significant seasonal changes, peaking during the summer months. High-risk months are identified as April through August, with UV Index values reaching up to 11 in June and July, categorized as extreme, which results in a rapid burn time of just 10 minutes. Visitors and residents should be particularly cautious during these months, ensuring they use adequate sun protection, including sunscreen of at least SPF 30, hats, and protective clothing. As the UV Index gradually declines from September to December, the risk lessens but remains moderate in November, with a UV Index of 4. It is advisable to remain vigilant, especially in the spring and summer, to safeguard against harmful UV radiation.
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 |
Altan Xiret | 3 | 4 | 7 | 9 | 10 | 11 | 11 | 10 | 9 | 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 |
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 |