Last updated: May 3, 2025
Understanding the UV Index is crucial for residents and visitors in Changli, China, especially given the region's unique Dwa climate. As the sun's rays intensify throughout the day, being aware of UV levels is essential for preventing sunburn and promoting healthy skin. With peak UV readings reaching 8 around midday, the potential for harmful exposure increases significantly. Staying informed about these levels helps residents take proactive measures to protect themselves against skin damage while enjoying Changli's picturesque landscapes.
The UV Index chart for the day reveals a dynamic range of sun exposure, peaking between 11:00 AM and 1:00 PM with a maximum value of 8. As the sun rises, the index steadily climbs from 2 at 7:00 AM to a robust 5 by 9:00 AM, before reaching its zenith at midday. From noon onward, the index remains consistently high at 8, urging outdoor enthusiasts to take precautionary measures against sunburn. However, as the afternoon progresses, the index begins to taper off, dropping to 6 at 2:00 PM and further decreasing to 1 by 5:00 PM. As evening sets in, the UV levels cool down significantly, maintaining a lingering 1 until 7:00 PM, making it a perfect time for a leisurely stroll without the risk of overexposure.
| Time | UVI | Category | Time to Burn |
|---|---|---|---|
| 07:00 | 2 | low | 45 min |
| 08:00 | 3 | moderate | 30 min |
| 09:00 | 5 | moderate | 30 min |
| 10:00 | 7 | high | 25 min |
| 11:00 | 8 | very high | 15 min |
| 12:00 | 8 | very high | 15 min |
| 13:00 | 8 | very high | 15 min |
| 14:00 | 6 | high | 25 min |
| 15:00 | 4 | moderate | 30 min |
| 16:00 | 3 | moderate | 30 min |
| 17:00 | 1 | low | 45 min |
| 18:00 | 1 | low | 45 min |
| 19:00 | 1 | low | 45 min |
The UV Index experiences significant fluctuations throughout the year, peaking in the summer months. From January to February, levels rise from low (2) to moderate (4), indicating an increasing need for sun protection as burn times decrease from 45 minutes to 30 minutes. The high-risk months are from March to August, where the UV Index reaches very high (8) and extreme (11) levels, sharply reducing burn times to as little as 10 minutes in July. Residents and visitors should take extra precautions during this period, utilizing broad-spectrum sunscreen, wearing protective clothing, and seeking shade during peak hours. Entering fall, the risk lessens with a decrease to moderate levels by November and low in December, allowing for safer outdoor activities without as much concern for UV exposure. Stay informed and enjoy the sun safely!
UV Risk Categories
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Beijing UVI | 2 | 3 | 5 | 8 | 9 | 9 | 10 | 9 | 7 | 6 | 4 | 2 |
| Changli | 2 | 4 | 6 | 8 | 8 | 10 | 11 | 9 | 7 | 6 | 4 | 2 |
| Chengdu UVI | 5 | 6 | 8 | 10 | 12 | 11 | 11 | 10 | 11 | 8 | 6 | 4 |
| Shanghai UVI | 5 | 6 | 8 | 10 | 10 | 11 | 12 | 11 | 11 | 8 | 6 | 4 |
| Guangzhou UVI | 7 | 9 | 11 | 12 | 13 | 13 | 13 | 12 | 11 | 10 | 9 | 7 |
| Shenzhen UVI | 7 | 10 | 12 | 12 | 14 | 13 | 13 | 13 | 12 | 11 | 9 | 7 |