Last updated: May 3, 2025
Understanding the UV Index is crucial for residents of Nosratabad, Iran, where the climate is classified as BWh, characterized by hot and dry summers. As UV levels in the region can soar particularly during midday—reaching a maximum of 14—being aware of these fluctuations is essential for sunburn prevention and maintaining overall skin health. With the potential for high UV exposure, taking precautions not only helps safeguard against immediate sun damage but also reduces the risk of long-term skin issues. Stay informed and protect yourself from the sun's rays to enjoy the beautiful outdoors safely!
The UV Index throughout the day paints a clear picture of solar intensity, climbing rapidly from a moderate 2 at 7:00 AM to an impressive peak of 14 by noon. As the sun reaches its zenith at 11:00 AM with a high of 13, it’s an ideal time for sun safety measures, such as wearing SPF and seeking shade. The intensity begins to decline after 1:00 PM, settling back down to a gentle 1 by 6:00 PM, and eventually dropping to 0 by 7:00 PM. This data reveals the necessity of remaining vigilant during midday hours, when UV exposure is at its highest, ensuring our skin stays protected throughout the sun-soaked day.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 4 | moderate | 30 min |
| 09:00 | 8 | very high | 15 min |
| 10:00 | 11 | extreme | 10 min |
| 11:00 | 13 | extreme | 10 min |
| 12:00 | 14 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 10 | very high | 15 min |
| 15:00 | 6 | high | 25 min |
| 16:00 | 3 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
Throughout the year, the UV Index displays significant seasonal variations, indicating varying risks associated with sun exposure. The high-risk months are notably from February to September, where the UV Index reaches extreme levels, especially peaking in May at 14. During these months, the recommended burn time drops to just 10 minutes, underscoring the urgent need for sun protection measures, such as wearing sunscreen, protective clothing, and seeking shade. As we transition into October, the risk decreases slightly with a UV Index of 9, but caution remains important. Conversely, November and December present lower risks with UV Index levels of 6 and 5, respectively, but it’s essential for visitors and residents alike to stay vigilant year-round and protect their skin from harmful UV radiation.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Karaj UVI | 4 | 5 | 8 | 9 | 12 | 12 | 11 | 10 | 10 | 7 | 4 | 3 |
| Mashhad UVI | 4 | 5 | 8 | 10 | 12 | 12 | 12 | 11 | 10 | 7 | 4 | 3 |
| Tehran UVI | 4 | 6 | 8 | 9 | 13 | 12 | 11 | 10 | 10 | 7 | 5 | 3 |
| Tabriz UVI | 4 | 5 | 9 | 10 | 12 | 12 | 12 | 11 | 9 | 7 | 4 | 3 |
| Isfahan UVI | 5 | 7 | 10 | 10 | 13 | 13 | 12 | 11 | 10 | 9 | 6 | 4 |
| Nosratabad | 6 | 8 | 11 | 12 | 14 | 13 | 13 | 12 | 11 | 9 | 6 | 5 |