Last updated: August 1, 2025
Understanding the UV Index is crucial for residents and visitors of Zongga, China, where the unique ET climate can lead to heightened exposure to ultraviolet radiation. The daily UV levels peak around midday, reaching a staggering UV Index of 17 at 2 PM, underscoring the necessity of awareness to prevent sunburn and protect your skin health. As a relatively remote and high-altitude area, Zongga’s exposure risks intensify, making it essential to know when to seek shade and apply sunscreen. Embracing UV Index awareness is not just about avoiding burns; it’s about safeguarding your long-term health in this beautiful, sunlit landscape.
At dawn, the UV Index begins its slow ascent, starting from a cool 0 at 7:00 AM. By 8:00 AM, it nudges up to 1, signifying a gentle hint of sun exposure. The next hour sees a noticeable increase as the index climbs to 2, before peaking sharply at 10:00 AM with a 4. As the sun reaches its zenith, the UV Index surges to a striking 12 at noon, and by 1:00 PM, it escalates to an intense 15. The highest point arrives at 2:00 PM with a formidable 17, demanding caution from those outdoors. The intensity starts to wane post-peak, dropping to 16 by 3:00 PM and gradually descending through the afternoon to 10 at 5:00 PM, then further to 6 at 6:00 PM. As the sun sets, the index dwindles to a soft 3 by 7:00 PM, signaling the end of the day’s sun exposure.
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 0 | low | 45 min |
08:00 | 1 | low | 45 min |
09:00 | 1 | low | 45 min |
10:00 | 4 | moderate | 30 min |
11:00 | 7 | high | 25 min |
12:00 | 11 | extreme | 10 min |
13:00 | 15 | extreme | 10 min |
14:00 | 17 | extreme | 10 min |
15:00 | 16 | extreme | 10 min |
16:00 | 14 | extreme | 10 min |
17:00 | 10 | very high | 15 min |
18:00 | 6 | high | 25 min |
19:00 | 3 | moderate | 30 min |
The seasonal variations in UV Index indicate a significant increase during the warmer months, with high-risk months primarily falling between February and October. Notably, from March through September, the UV Index reaches extreme levels (14-17), which means the burn time is particularly short at only 10 minutes. January and November still present a risk with very high levels, while December shows a high exposure but allows for a longer burn time of 25 minutes. Visitors and residents should stay vigilant during these critical months: apply sunscreen, wear protective clothing, and seek shade, especially during midday hours when UV exposure is most intense, to minimize the risk of skin damage.
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 |
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 |
Zongga | 9 | 11 | 14 | 15 | 17 | 16 | 17 | 17 | 17 | 14 | 9 | 7 |