Last updated: June 2, 2025
Understanding the UV Index is crucial for residents of Amboy, United States, where the climate can be surprisingly varied. As the sun climbs higher, so does the risk of harmful UV radiation, peaking around noon with an index that can reach 10—indicating a very high risk of harm from unprotected sun exposure. Being aware of these levels is essential not just for preventing sunburn, but also for safeguarding long-term skin health. With Amboy's mild summer climate comes intense UV exposure, particularly during those bright afternoon hours, making it vital to stay informed and take protective measures whenever heading outdoors.
As the sun rises, the UV Index gradually climbs, beginning at a mild 1 at 7:00 AM. By 9:00 AM, it reaches 3, prompting early risers to consider sun protection. The intensity peaks at 1:00 PM with a maximum of 10, signaling the most hazardous conditions for unprotected skin. As the afternoon unfolds, the index dips from 9 at 2:00 PM to 6 by 4:00 PM, offering a brief respite. As the day winds down, the UV rays decrease, falling to 2 by 6:00 PM and returning to a safe 1 by 7:00 PM. Stay mindful of these fluctuations to enjoy the sun while safeguarding your skin!
| 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 | 7 | high | 25 min |
| 12:00 | 9 | very high | 15 min |
| 13:00 | 10 | very high | 15 min |
| 14:00 | 9 | 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 |
As the seasons change, the UV Index reflects varying levels of solar exposure that can significantly impact skin health. From January to February, the UV Index rises from 2 (low) to 4 (moderate), indicating a need for basic sun protection as burn times decrease from 45 minutes to 30 minutes. By April, the UV Index reaches 7 (high), marking the start of high-risk months when exposure should be limited to 25 minutes. The peak UV levels occur in May and June, with values of 9 and 10 (very high) respectively, where burn times plummet to just 15 minutes. Even in August, the UV Index remains at 8, while it begins to decline in September to 7 (high), allowing for 25 minutes of safer exposure. As we transition toward winter, the UV Index drops to 3 (moderate) in November and returns to 2 (low) in December, offering safer scorch-free time of 30 to 45 minutes. Visitors and residents are advised to remain vigilant about UV exposure, particularly during the summer months, and to apply sunscreen and wear protective clothing during peak hours to minimize skin damage.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Amboy | 2 | 4 | 5 | 7 | 9 | 10 | 10 | 8 | 7 | 5 | 3 | 2 |
| 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 |
| Houston UVI | 5 | 8 | 9 | 11 | 11 | 12 | 12 | 11 | 10 | 9 | 7 | 5 |