UV Index in Cat Ba, Vietnam
Last updated: February 1, 2025
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.| | 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 |
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| UVI | 1 | 2 | 4 | 7 | 9 | 10 | 9 | 7 | 4 | 2 | 1 | 0 | 0 |
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| Exposure | low | moderate | high | very high | high | moderate | low |
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| Time to burn | 45 min | 30 min | 25 min | 15 min | 25 min | 30 min | 45 min |
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UV Index throughout the year in Cat Ba
UV Index (UVI) in Cat Ba. Generated using Copernicus Atmosphere Monitoring Service information. Data for the period from January 2022 to January 2023.| | 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 |
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| January | 1 | 1 | 3 | 5 | 7 | 8 | 7 | 5 | 3 | 1 | 1 | 0 | 0 |
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| February | 1 | 2 | 4 | 7 | 9 | 10 | 9 | 7 | 4 | 2 | 1 | 0 | 0 |
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| March | 1 | 3 | 6 | 9 | 11 | 12 | 11 | 8 | 5 | 2 | 1 | 0 | 0 |
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| April | 1 | 3 | 6 | 10 | 12 | 13 | 11 | 8 | 5 | 2 | 1 | 1 | 0 |
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| May | 2 | 4 | 7 | 10 | 12 | 12 | 11 | 8 | 5 | 3 | 1 | 1 | 0 |
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| June | 2 | 4 | 7 | 10 | 12 | 13 | 11 | 9 | 6 | 3 | 1 | 1 | 0 |
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| July | 2 | 4 | 7 | 10 | 13 | 13 | 11 | 9 | 6 | 3 | 1 | 1 | 0 |
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| August | 2 | 4 | 7 | 10 | 13 | 13 | 12 | 9 | 6 | 3 | 1 | 1 | 0 |
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| September | 1 | 4 | 7 | 10 | 12 | 13 | 11 | 8 | 4 | 2 | 1 | 0 | 0 |
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| October | 1 | 3 | 6 | 9 | 11 | 11 | 9 | 6 | 3 | 1 | 1 | 0 | 0 |
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| November | 1 | 3 | 5 | 7 | 9 | 9 | 7 | 5 | 2 | 1 | 1 | 0 | 0 |
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| December | 1 | 2 | 4 | 6 | 7 | 7 | 6 | 4 | 2 | 1 | 1 | 0 | 0 |
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Compare Cat Ba UV Index to other Vietnam cities
Cat Ba's solar exposure compared to other cities in Vietnam. Generated using Copernicus Atmosphere Monitoring Service information.| | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
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| Hanoi | 8 | 10 | 12 | 12 | 13 | 12 | 12 | 13 | 13 | 11 | 9 | 7 |
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| Cat Ba | 8 | 10 | 12 | 13 | 12 | 13 | 13 | 13 | 13 | 11 | 9 | 7 |
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| Haiphong | 8 | 10 | 12 | 13 | 12 | 13 | 13 | 13 | 13 | 11 | 9 | 7 |
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| Da Nang | 10 | 12 | 14 | 15 | 14 | 13 | 14 | 14 | 13 | 12 | 10 | 9 |
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| Ho Chi Minh City | 10 | 13 | 15 | 14 | 14 | 12 | 13 | 14 | 13 | 13 | 11 | 10 |
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| Bien Hoa | 10 | 14 | 15 | 15 | 14 | 13 | 14 | 14 | 13 | 12 | 11 | 10 |
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Compare Cat Ba's UV Index to other cities in the world
Cat Ba's solar exposure compared to other cities in the world. Generated using Copernicus Atmosphere Monitoring Service information.| | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
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| Oslo | 1 | 2 | 3 | 4 | 5 | 7 | 7 | 5 | 4 | 2 | 1 | 1 |
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| Berlin | 1 | 2 | 4 | 5 | 7 | 8 | 7 | 7 | 5 | 3 | 2 | 1 |
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| London | 1 | 2 | 4 | 5 | 7 | 8 | 8 | 7 | 6 | 4 | 2 | 1 |
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| Toronto | 2 | 4 | 5 | 8 | 9 | 9 | 9 | 9 | 7 | 5 | 3 | 2 |
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| New York City | 3 | 5 | 6 | 8 | 10 | 10 | 9 | 9 | 8 | 6 | 4 | 2 |
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| Athens | 3 | 4 | 6 | 8 | 10 | 10 | 10 | 10 | 8 | 7 | 4 | 3 |
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| Tokyo | 3 | 5 | 8 | 9 | 11 | 11 | 11 | 11 | 10 | 7 | 5 | 4 |
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| Los Angeles | 4 | 6 | 8 | 9 | 10 | 11 | 11 | 10 | 10 | 7 | 5 | 4 |
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| Shanghai | 5 | 6 | 8 | 10 | 10 | 11 | 12 | 11 | 11 | 8 | 6 | 4 |
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| Auckland | 14 | 14 | 10 | 7 | 4 | 3 | 3 | 5 | 7 | 10 | 11 | 13 |
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| Dubai | 6 | 7 | 11 | 11 | 12 | 11 | 10 | 11 | 10 | 8 | 6 | 5 |
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| Sydney | 14 | 13 | 11 | 8 | 5 | 3 | 4 | 6 | 8 | 10 | 12 | 14 |
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| Miami | 6 | 9 | 10 | 12 | 12 | 13 | 12 | 12 | 11 | 10 | 8 | 6 |
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| Cat Ba | 8 | 10 | 12 | 13 | 12 | 13 | 13 | 13 | 13 | 11 | 9 | 7 |
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| Mexico City | 10 | 12 | 14 | 15 | 15 | 14 | 14 | 13 | 14 | 12 | 10 | 8 |
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| Jakarta | 14 | 16 | 16 | 14 | 11 | 10 | 10 | 11 | 13 | 15 | 14 | 13 |
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