Last updated: July 2, 2025
Understanding the UV Index is crucial for residents of Qianwei, China, where the subtropical highland climate brings unique sun exposure risks. As UV levels can soar to a staggering 15 during midday, awareness becomes key in preventing sunburn and protecting your skin health. The varying UV Index throughout the day underscores the importance of checking these levels regularly, especially in a place where the sun can quickly transition from mild to dangerously intense. Stay informed to enjoy the beautiful outdoors safely!
As the sun rises, the UV Index begins at a modest 1 at 7:00 AM, making it a safe time to step outside for morning activities. By 9:00 AM, it ramps up to 4, indicating a moderate risk of harm from unprotected sun exposure. The real heat hits between 11:00 AM and 1:00 PM, where the index peaks at 14, suggesting very high levels of UV radiation. This is the perfect time to seek shade and protect your skin! Fortunately, as the afternoon rolls on, the index begins to decline, dipping to 11 by 3:00 PM and further down to 2 toward the evening. Remember, the intensity of the sun can change quickly, so it’s essential to stay informed and take precautions during peak hours!
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 | 11 | extreme | 10 min |
12:00 | 14 | extreme | 10 min |
13:00 | 15 | extreme | 10 min |
14:00 | 14 | extreme | 10 min |
15:00 | 11 | extreme | 10 min |
16:00 | 8 | very high | 15 min |
17:00 | 4 | moderate | 30 min |
18:00 | 2 | low | 45 min |
19:00 | 1 | low | 45 min |
The UV Index experiences significant seasonal variation, with the highest values reported from March to October, categorizing these months as high-risk for UV exposure. During this period, particularly in April, May, July, and August, the UV Index reaches extreme levels of 14-15, indicating a burn time of just 10 minutes for unprotected skin. January and February also present a challenge with very high UV levels, while November sees a decrease to a UV Index of 9, and December offers slightly more relief at 7 with a longer burn time of 25 minutes. Visitors and residents are strongly advised to take precautionary measures such as wearing sunscreen, protective clothing, and seeking shade, especially during the peak months of March through October when the risk of skin damage is significantly elevated.
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 |
Qianwei | 8 | 10 | 12 | 14 | 15 | 14 | 15 | 14 | 13 | 12 | 9 | 7 |