Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors in Najibabad, India, a region where the climate can expose individuals to varying UV levels throughout the day. Being aware of these levels is essential not only for sunburn prevention but also for maintaining long-term skin health. With a climate that experiences significant sunlight, particularly during midday when the UV index peaks at a powerful 10, it's important to take precautions against potential skin damage. By keeping an eye on the UV Index, you can enjoy the sunny days in Najibabad while protecting your skin and overall well-being.
The UV Index paints a vivid picture of the sun’s intensity throughout the day. At sunrise (07:00), the index starts modestly at 2, but by 08:00, it rises to a comfortable 4. The sun gains strength, with readings escalating to 6 by 09:00. The peak arrives at 11:00 and 12:00, where the index reaches a striking 10—a clear signal to seek shade or apply sunscreen! As the afternoon progresses, we see a decline; the UV Index drops to 9 at 13:00 and gradually decreases to 5 by 15:00. The late afternoon brings a gentle taper off to 3 by 16:00, before plummeting to 1 by 17:00 and finally settling at 0 as evening descends (19:00). Stay sun-smart and enjoy the daylight safely!
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 4 | moderate | 30 min |
| 09:00 | 6 | high | 25 min |
| 10:00 | 9 | very high | 15 min |
| 11:00 | 10 | very high | 15 min |
| 12:00 | 10 | very high | 15 min |
| 13:00 | 9 | very high | 15 min |
| 14:00 | 7 | high | 25 min |
| 15:00 | 5 | moderate | 30 min |
| 16:00 | 3 | moderate | 30 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 0 | low | 45 min |
The UV Index experiences significant fluctuations throughout the year, peaking during the summer months. From January to February, the UV Index increases from 5 to 6, indicating a shift from moderate to high exposure risk, with a corresponding decrease in burn time from 30 minutes to 25 minutes. The danger escalates sharply in March, where the index reaches 9, classified as very high with just 15 minutes of burn time. This trend continues into April, May, and June, maintaining a UV Index of 10 and emphasizing the need for caution. The peak risk months are July and August, with values soaring to 12 and 11 respectively, classified as extreme, where only 10 minutes of exposure can result in burns. As the year progresses into September and October, the index remains high, yet slightly less severe, at 10 and 8. The risk drops significantly in November and December as the index declines to 5 and 4, corresponding to a return to moderate levels and longer burn times of 30 minutes. Visitors and residents are advised to take precautions—using broad-spectrum sunscreen, wearing protective clothing, and seeking shade, particularly from March to October when UV exposure poses the highest risk.
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Delhi UVI | 5 | 6 | 9 | 10 | 10 | 10 | 12 | 12 | 9 | 8 | 5 | 5 |
| Najibabad | 5 | 6 | 9 | 10 | 10 | 10 | 12 | 11 | 10 | 8 | 5 | 4 |
| Mumbai UVI | 8 | 9 | 10 | 11 | 11 | 12 | 13 | 13 | 11 | 10 | 7 | 7 |
| Ahmedabad UVI | 7 | 8 | 10 | 12 | 11 | 12 | 13 | 13 | 11 | 10 | 7 | 6 |
| Hyderabad UVI | 10 | 11 | 12 | 11 | 13 | 13 | 15 | 14 | 13 | 11 | 8 | 8 |
| Bengaluru UVI | 11 | 13 | 13 | 14 | 13 | 14 | 14 | 14 | 14 | 12 | 11 | 10 |