UV Index in Chang'an, China

Last updated: May 3, 2025

In Chang'an, China, being aware of the UV Index is crucial for protecting your skin and overall health. As a city with a Dwb climate, residents and visitors face specific UV exposure risks, especially during peak hours when the index can reach levels as high as 8. Understanding UV levels is vital for preventing sunburn and long-term skin damage, as even low levels early in the day can still contribute to harmful effects. Ensure you’re equipped with the knowledge to enjoy the sun safely, while keeping an eye on the daily UV Index to safeguard your skin health in this vibrant region.

Hourly UV Index in Chang'an

The UV Index throughout the day showcases a compelling pattern of solar intensity. Starting at 07:00, the index begins at a modest 2, indicating low levels of UV radiation. As the sun rises higher, the index climbs steadily, peaking at 11:00 with a maximum of 8—a level that calls for protective measures. Post noon, a gradual decline occurs; by 15:00, it drops to 3, signaling a decrease in UV exposure. As daylight wanes, the index continues to fall, reaching 1 by 17:00, before settling at a safe 0 by 19:00. This data underscores the importance of being sun-smart, especially during the midday hours when the UV levels are at their highest.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
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	7	high	25 min
11:00	8	very high	15 min
12:00	7	high	25 min
13:00	6	high	25 min
14:00	5	moderate	30 min
15:00	3	moderate	30 min
16:00	2	low	45 min
17:00	1	low	45 min
18:00	1	low	45 min
19:00	0	low	45 min

Monthly UV Index Trends in Chang'an

Throughout the year, UV Index levels display significant seasonal variations that warrant attention from both residents and visitors. Low-risk months occur from January to February and November to December, where the UV Index ranges from 2 to 3, allowing for longer safe exposure (up to 45 minutes in January and November). The high-risk months are April to August, peaking in July with a UV Index of 10, where the recommended burn time is just 15 minutes due to very high levels of UV radiation. This period necessitates proactive sun safety measures, including wearing sunscreen, hats, and protective clothing, particularly during midday hours when the sun is most intense. As the UV Index decreases in September and October, individuals can gradually ease their precautions, but maintaining awareness remains essential throughout the year.

Monthly Maximum UV Index for Chang'an, China

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Chang'an. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.

Data source: Statistical UV Index data for Chang'an, based on information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

Compare Chang'an UV Index with Other China Cities

The table above highlights how UV exposure in Chang'an compares to other major locations across China. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.

Chang'an's solar exposure compared to other cities in China. Generated using Copernicus Atmosphere Monitoring Service information.
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Chang'an	2	3	5	7	8	9	10	8	6	4	2	2
Beijing UVI	2	3	5	8	9	9	10	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