Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors in Erhe, China, as it serves as a vital guide to protect against skin damage and long-term health issues related to sun exposure. The varying UV levels throughout the day highlight the importance of awareness for preventing sunburn and maintaining skin health. With a Dwb climate characterized by warm summers and cold winters, Erhe experiences significant UV exposure, particularly between 10:00 AM and 2:00 PM when indices peak at 8. By staying informed about the UV Index, you can enjoy the outdoors safely while minimizing the risk of harmful effects from the sun.
The UV Index throughout the day showcases a compelling pattern of solar intensity. Starting at 07:00, the index begins at a modest 2, indicating low levels of UV radiation. As the sun rises higher, the index climbs steadily, peaking at 11:00 with a maximum of 8—a level that calls for protective measures. Post noon, a gradual decline occurs; by 15:00, it drops to 3, signaling a decrease in UV exposure. As daylight wanes, the index continues to fall, reaching 1 by 17:00, before settling at a safe 0 by 19:00. This data underscores the importance of being sun-smart, especially during the midday hours when the UV levels are at their highest.
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 2 | low | 45 min |
08:00 | 4 | moderate | 30 min |
09:00 | 6 | high | 25 min |
10:00 | 7 | high | 25 min |
11:00 | 8 | very high | 15 min |
12:00 | 7 | high | 25 min |
13:00 | 6 | high | 25 min |
14:00 | 5 | moderate | 30 min |
15:00 | 3 | moderate | 30 min |
16:00 | 2 | low | 45 min |
17:00 | 1 | low | 45 min |
18:00 | 1 | low | 45 min |
19:00 | 0 | low | 45 min |
Throughout the year, the UV Index experiences significant seasonal fluctuations, influencing the risk of skin damage from sun exposure. High-risk months occur from April to August, when the UV Index reaches very high levels, peaking at 9 in June and July. During these months, the burn time decreases to just 15 minutes, necessitating stringent sun protection measures. In contrast, the lowest risk is observed from November to February, where the UV Index remains below 3 and burn times extend to 45 minutes. Visitors and residents are advised to wear sunscreen, protective clothing, and seek shade during peak sun hours in high-risk months to minimize exposure and ensure safety from harmful UV radiation.
UV Risk Categories
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Erhe | 2 | 3 | 5 | 7 | 8 | 9 | 9 | 8 | 6 | 4 | 2 | 2 |
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 |