Last updated: June 2, 2025
Understanding the UV Index is crucial for residents of Bulri, Pakistan, where the climate falls within the BWh category, characterized by high temperatures and abundant sunshine. As daily UV levels rise, particularly during the peak hours from 10 AM to 2 PM, awareness is key to protecting yourself from harmful UV rays that can lead to sunburn and long-term skin health issues. With values soaring to 11 during the hottest part of the day, it's essential for locals and visitors alike to stay informed about UV exposure risks to enjoy the sun safely and healthily.
The UV Index throughout the day presents a fascinating story of increasing intensity as the sun climbs higher. Starting the morning at a mild level of 1 at 07:00, the index gradually ascends, reaching 2 by 08:00. By 09:00, the intensity surges to 5, but it’s at 10:00 that the day truly peaks, with a noteworthy 8. The UV Index hits its zenith between 11:00 and 13:00, boasting a remarkable 11, indicating a high risk of harm from unprotected sun exposure. However, as the afternoon progresses, the index starts to drop: it falls to 9 at 14:00, then gently slides to 7 by 15:00, before tapering off to 4 at 16:00, and finally retreating to 2 at 17:00 and a serene 1 by 18:00 and 19:00. This data highlights the importance of sun protection, especially during those peak hours when the UV intensity is at its highest.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 2 | low | 45 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 8 | very high | 15 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 11 | extreme | 10 min |
| 13:00 | 11 | extreme | 10 min |
| 14:00 | 9 | very high | 15 min |
| 15:00 | 7 | high | 25 min |
| 16:00 | 4 | moderate | 30 min |
| 17:00 | 2 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
Throughout the year, UV index levels exhibit significant fluctuations, with the highest risk occurring during the warmer months. February through July represents the peak risk period, particularly in April, May, July, and August, when the UV index reaches an extreme level of 12. This corresponds to a dangerously short burn time of just 10 minutes during these months. March also shows very high risk with an index of 10, while September and October remain at a very high level of 10. During the winter months, January and December show a high UV index of 6, allowing for longer exposure times of 25 minutes before burning occurs. Visitors and residents are strongly advised to take precautionary measures during high-risk months, such as seeking shade, wearing protective clothing, and applying sunscreen to minimize the risk of UV-related skin damage.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rawalpindi UVI | 4 | 5 | 9 | 9 | 11 | 11 | 11 | 10 | 9 | 6 | 4 | 3 |
| Lahore UVI | 4 | 5 | 9 | 9 | 10 | 10 | 11 | 11 | 8 | 6 | 4 | 4 |
| Faisalabad UVI | 4 | 6 | 8 | 9 | 10 | 10 | 11 | 11 | 9 | 7 | 5 | 4 |
| Multan UVI | 4 | 6 | 9 | 9 | 11 | 10 | 11 | 11 | 9 | 7 | 5 | 4 |
| Karachi UVI | 6 | 8 | 10 | 11 | 11 | 10 | 12 | 12 | 10 | 10 | 7 | 6 |
| Bulri | 6 | 8 | 10 | 12 | 11 | 11 | 12 | 12 | 10 | 10 | 7 | 6 |