Last updated: May 3, 2025
In Alief, United States, staying informed about the UV Index is essential for safeguarding your skin health. With peak UV levels rising as high as 11 during midday hours, understanding these readings can help you effectively prevent sunburn and long-term skin damage. Given Alief's Cfa climate, which offers warm summers and mild winters, residents face unique UV exposure risks throughout the year. By monitoring the UV Index, you can take proactive measures to protect yourself and enjoy the sun safely.
As the day unfolds, the UV Index ramps up rapidly, starting from a gentle 1 at 7:00 AM and gradually climbing to reach a peak of 11 by 1:00 PM and 2:00 PM. This hour marks the height of sun exposure, where the risk of harm from unprotected sun exposure is significant. After this peak, the index begins to descend, dropping to 9 by 3:00 PM, then tapering off to 6 at 4:00 PM, and finally settling back to a mild 1 by 7:00 PM. For those planning outdoor activities, early afternoon is best approached with caution and protection—a reminder that while the sun can be enjoyable, it demands respect!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 1 | low | 45 min |
| 09:00 | 3 | moderate | 30 min |
| 10:00 | 5 | moderate | 30 min |
| 11:00 | 8 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 11 | extreme | 10 min |
| 15:00 | 9 | 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, UV Index levels fluctuate significantly, indicating varying levels of sun exposure risk. The high-risk months typically span from February to September, with the UV Index peaking at 12 in June, characterized as extreme exposure, necessitating a burn time of only 10 minutes. Both April and May also report an extreme index of 11, reinforcing the need for caution. From October to November, the risk diminishes to very high and high levels, respectively, allowing for more manageable exposure times of 15 to 25 minutes. Visitors and residents are advised to take appropriate precautions during the peak months by wearing protective clothing, using sunscreen, and seeking shade, particularly during midday hours when UV radiation is strongest. Staying informed and vigilant about UV levels can help prevent skin damage and promote safer outdoor activities year-round.
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 |
| Los Angeles UVI | 4 | 6 | 8 | 9 | 10 | 11 | 11 | 10 | 10 | 7 | 5 | 4 |
| Alief | 5 | 8 | 9 | 11 | 11 | 12 | 11 | 11 | 10 | 9 | 6 | 5 |
| Houston UVI | 5 | 8 | 9 | 11 | 11 | 12 | 12 | 11 | 10 | 9 | 7 | 5 |