Last updated: May 3, 2025
In Yirshi, China, being aware of the UV Index is essential for protecting your skin and overall health. Understanding UV levels helps prevent sunburn and long-term skin damage, making it a crucial aspect of outdoor activities. With Yirshi's Dwc climate, residents and visitors face varying UV exposure risks throughout the day, peaking at a UV Index of 8 during midday. Staying informed about these levels can help you enjoy the sunny days safely while minimizing health risks associated with increased UV radiation.
As the sun rises, the UV Index starts at a mild 2 at 7:00 AM. By 9:00 AM, it climbs to a moderate 5, but it’s from 10:00 AM to 12:00 PM that the intensity peaks, reaching a maximum of 8—a signal for sun protection. The afternoon brings a slight decline, with values dropping to 6 at 2:00 PM and 4 by 3:00 PM. As the day winds down, the UV Index lowers steadily, falling to 1 by 6:00 PM and remaining steady through the evening. This hourly progression serves as a reminder to stay vigilant in sun safety, particularly during the midday hours when the UV exposure is at its highest.
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 2 | low | 45 min |
08:00 | 3 | moderate | 30 min |
09:00 | 5 | moderate | 30 min |
10:00 | 7 | high | 25 min |
11:00 | 8 | very high | 15 min |
12:00 | 8 | very high | 15 min |
13:00 | 7 | high | 25 min |
14:00 | 6 | high | 25 min |
15:00 | 4 | moderate | 30 min |
16:00 | 3 | moderate | 30 min |
17:00 | 2 | low | 45 min |
18:00 | 1 | low | 45 min |
19:00 | 1 | low | 45 min |
The UV Index experiences significant seasonal fluctuations, with higher risks emerging from April to August. During this period, particularly in May, June, July, and August, the UV Index reaches very high levels (8-9), resulting in a burn time of just 15 minutes for unprotected skin. This peak exposure necessitates caution, and it's advisable for residents and visitors to wear sunscreen, protective clothing, and seek shade during peak hours. Conversely, January, November, and December show low UV levels (1-2), allowing for more relaxed outdoor activities. However, as the seasons change, it remains essential to monitor UV levels, particularly from March through September, to ensure safe exposure to sunlight.
UV Risk Categories
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Yirshi | 2 | 3 | 5 | 6 | 8 | 9 | 9 | 9 | 6 | 4 | 2 | 1 |
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 |