Last updated: July 2, 2025
Understanding the UV Index is crucial for residents of Aplington, United States, where sunny days can significantly impact skin health. Being aware of UV levels helps prevent painful sunburns and reduces the long-term risk of skin damage. With a climate characterized by warm summers and a peak UV Index reaching 10 during midday, it’s important for the community to stay informed about UV exposure to enjoy the outdoors safely. By knowing when to seek shade or apply sunscreen, you can make smarter choices to protect your skin while savoring the beauty of Aplington's sunny days.
The UV Index reveals a dynamic ascent and descent throughout the day, peaking with intensity during midday. Starting at a gentle 1 at 7:00 AM, it climbs steadily, reaching 10 by 1:00 PM and maintaining this highest level until 2:00 PM. This critical window indicates significant sun exposure, and it’s essential to take precautions. As the afternoon progresses, the index begins to taper off, dropping to 8 at 3:00 PM, then gradually falling to 1 by 7:00 PM. This data highlights the importance of being sun-smart during the peak hours to minimize UV exposure risks.
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 2 | low | 45 min |
09:00 | 3 | moderate | 30 min |
10:00 | 5 | moderate | 30 min |
11:00 | 8 | very high | 15 min |
12:00 | 9 | very high | 15 min |
13:00 | 10 | very high | 15 min |
14:00 | 10 | very high | 15 min |
15:00 | 8 | very high | 15 min |
16:00 | 6 | high | 25 min |
17:00 | 4 | moderate | 30 min |
18:00 | 2 | low | 45 min |
19:00 | 1 | low | 45 min |
Throughout the year, the UV Index exhibits notable fluctuations, with high-risk months typically falling between April and September. During this period, the UV Index peaks in June at a severe level of 11, signifying an extreme exposure category with a burn time of just 10 minutes. Following closely are May and July, both rated as very high with indices of 9 and 10 respectively, while April and August maintain a very high category as well, with indices reaching 8. As winter approaches, the UV Index drops to a moderate level in January, February, November, and December, offering safer exposure times of up to 30 minutes. To protect yourself during peak UV times, especially from April to September, it's crucial to apply sunscreen regularly, wear protective clothing, and limit sun exposure during mid-day hours.
UV Risk Categories
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Chicago UVI | 3 | 4 | 6 | 8 | 9 | 10 | 10 | 9 | 8 | 6 | 4 | 2 |
Brooklyn UVI | 3 | 5 | 6 | 8 | 10 | 10 | 9 | 9 | 8 | 6 | 4 | 2 |
New York City UVI | 3 | 5 | 6 | 8 | 10 | 10 | 9 | 9 | 8 | 6 | 4 | 2 |
Aplington | 3 | 5 | 6 | 8 | 9 | 11 | 10 | 9 | 8 | 6 | 3 | 3 |
Los Angeles UVI | 4 | 6 | 8 | 9 | 10 | 11 | 11 | 10 | 10 | 7 | 5 | 4 |
Houston UVI | 5 | 8 | 9 | 11 | 11 | 12 | 12 | 11 | 10 | 9 | 7 | 5 |