Last updated: May 3, 2025
Understanding the UV Index is essential for residents of Antwerp, United States, where the sunny days can lead to significant UV exposure. Being aware of UV levels helps prevent sunburn and supports long-term skin health, making it crucial for outdoor activities and daily routines. With Antwerp's Dfa climate, the UV Index can peak dramatically, reaching levels as high as 10 during midday hours. This indicates a need for protective measures, especially from late morning to early afternoon when the sun's rays are most intense. Stay informed and enjoy the beautiful weather while keeping your skin safe!
As the sun rises, the UV Index begins its gradual ascent, starting at a mild 1 at 07:00 and 08:00. However, by 09:00, it jumps to 3, indicating a greater need for sun protection. The intensity peaks at 12:00 with a 9, reaching a maximum of 10 during the 13:00 and 14:00 hours, showcasing the sun's strongest rays. As the day progresses, the UV Index begins to decline, dropping to 8 at 15:00, then further to 6 by 16:00. The evening brings a welcome reduction in UV exposure, with the index falling to 4 at 17:00, and tapering off to 2 and 1 as the sun sets at 18:00 and 19:00. It's clear that the mid-day hours demand the most caution for sun safety!
| 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 | 4 | moderate | 30 min |
| 11:00 | 7 | high | 25 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 experiences significant fluctuations, with the highest levels occurring during the summer months. High-risk months for UV exposure include April through September, when the UV Index reaches very high levels of 9 or 10, significantly reducing the safe burn time to just 15 minutes. Visitors and residents are strongly advised to take precautions during these months, including wearing protective clothing, applying broad-spectrum sunscreen, and seeking shade during peak sun hours. Conversely, the winter months of December and January present lower UV risks, with indices of 2 and 3, allowing for safer exposure times of 30 to 45 minutes. Overall, awareness of seasonal changes in UV levels is crucial for protecting skin health throughout the year.
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 |
| Antwerp | 3 | 5 | 6 | 9 | 9 | 10 | 10 | 9 | 8 | 6 | 4 | 2 |
| 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 |