UV Index in Chongxing, China

Last updated: July 2, 2025

In Chongxing, China, awareness of the UV Index is essential for maintaining skin health and preventing sunburn. Understanding the UV levels throughout the day helps residents and visitors to protect themselves from harmful UV radiation. With Chongxing's semi-arid climate, summer days can feature high UV exposure, peaking at an index of 12 around midday, which poses significant risks to skin. By staying informed and taking necessary precautions based on the UV Index, everyone in Chongxing can enjoy the sun safely while minimizing potential skin damage.

Hourly UV Index in Chongxing

The UV Index reaches its peak intensity at 1 PM, soaring to an alarming 12. Early morning starts off gently, with indices of 1 at 7 AM and gradually rising to 2 by 8 AM. By 9 AM, the index jumps to 4, hinting at more intense sun exposure to come. As the day progresses, it escalates rapidly, hitting 7 by 10 AM and 9 at 11 AM. The sun is at its zenith at noon, with a robust 11. After this peak, a slight decline begins, but caution is still advised as the values remain significant, dropping to 8 at 3 PM and tapering off to 3 by 5 PM. The UV risk diminishes further into the evening, returning to a calmer 1 by 7 PM. Stay protected during those midday hours to enjoy the sun safely!

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	1	low	45 min
08:00	2	low	45 min
09:00	4	moderate	30 min
10:00	7	high	25 min
11:00	9	very high	15 min
12:00	11	extreme	10 min
13:00	12	extreme	10 min
14:00	11	extreme	10 min
15:00	8	very high	15 min
16:00	6	high	25 min
17:00	3	moderate	30 min
18:00	2	low	45 min
19:00	1	low	45 min

Monthly UV Index Trends in Chongxing

The UV Index data reveals significant seasonal changes in ultraviolet radiation exposure, with high-risk months identified from March to September. During this period, the UV Index peaks, reaching 11-12, indicating extreme exposure levels in May through July, requiring the most caution. In April, the index rises to 8, categorized as very high, and still remains elevated at 8 in September. Visitors and residents are advised to take necessary precautions, especially in the summer months, by wearing protective clothing, using high-SPF sunscreen, and minimizing direct sun exposure during peak hours. As winter approaches, the risk decreases significantly, with UV levels returning to a moderate range in January, February, November, and December, making these months relatively safer for outdoor activities.

Monthly Maximum UV Index for Chongxing, China

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Chongxing. 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 Chongxing, 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 Chongxing UV Index with Other China Cities

The table above highlights how UV exposure in Chongxing 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.

Chongxing'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
Beijing UVI	2	3	5	8	9	9	10	9	7	6	4	2
Chongxing	3	5	7	8	11	11	12	11	8	7	4	3
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