Last updated: May 3, 2025
Understanding the UV Index is crucial for residents of Nasirabad, Pakistan, where the climate falls within the BWh zone—noted for its hot, dry conditions. The UV Index provides essential insights into daily sun exposure, helping to mitigate risks like sunburn and long-term skin damage. During peak hours, particularly between 11 AM and 1 PM, the UV Index can soar to dangerous levels, reaching as high as 13, making awareness a key factor in maintaining skin health. By familiarizing oneself with local UV levels, you can take proactive steps to protect yourself and enjoy the sun responsibly!
The UV Index exposure throughout the day exhibits a striking progression, peaking at 13 around noon. Starting from a gentle 1 at 7 AM, the index gradually escalates, hitting 3 by 8 AM. As the morning unfolds, it climbs to 5 by 9 AM, reaching a significant 9 by 10 AM. The afternoon sun intensifies, culminating in a maximum value of 11 at 11 AM before surging to its zenith at 12 PM. Following the high point, the index gradually declines, dropping to 12 at 1 PM, and tapering off to 10, 7, and finally 4 by mid to late afternoon. As the sun sets, the UV Index diminishes further, resting at 1 by 6 PM and continuing through 7 PM. It’s advisable to take precautions during peak hours, especially between 11 AM and 1 PM, to ensure safety under the sun.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 1 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 9 | very high | 15 min |
| 11:00 | 11 | extreme | 10 min |
| 12:00 | 13 | extreme | 10 min |
| 13:00 | 12 | extreme | 10 min |
| 14:00 | 10 | 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, the UV Index fluctuates significantly, with the highest risk months occurring from March to August. In March and April, the index reaches very high levels of 9 and 10, with a burn time as low as 15 minutes. This transitions into the extreme category from May to August, peaking at an index of 13 in May and remaining between 11 and 12 throughout the summer. These months necessitate vigilant sun protection, including wearing sunscreen, protective clothing, and seeking shade during peak hours. As the year progresses into September and October, UV levels decrease to 9 but remain very high. The winter months of November and December see a return to moderate indices of 5, allowing for more extended exposure without immediate risk of burning, although caution is still advisable. Visitors and residents should remain informed of daily UV levels and prioritize skin safety during peak times.
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 |
| Nasirabad | 5 | 7 | 9 | 10 | 13 | 11 | 12 | 12 | 9 | 9 | 5 | 5 |
| Karachi UVI | 6 | 8 | 10 | 11 | 11 | 10 | 12 | 12 | 10 | 10 | 7 | 6 |