UV Index in Nagasaki, Japan
Last updated: January 2, 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 | 0 | 1 | 1 | 2 | 4 | 4 | 4 | 3 | 2 | 1 | 1 | 0 | 0 |
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| Exposure | Low | Moderate | Low |
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| Time to burn | 45 min | 30 min | 45 min |
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UV Index throughout the year in Nagasaki
UV Index (UVI) in Nagasaki. 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 | 0 | 1 | 1 | 2 | 4 | 4 | 4 | 3 | 2 | 1 | 1 | 0 | 0 |
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| February | 1 | 1 | 2 | 4 | 5 | 6 | 6 | 5 | 3 | 2 | 1 | 1 | 0 |
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| March | 1 | 2 | 3 | 5 | 7 | 8 | 8 | 6 | 4 | 2 | 1 | 1 | 0 |
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| April | 1 | 3 | 5 | 7 | 10 | 11 | 10 | 8 | 5 | 3 | 1 | 1 | 0 |
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| May | 1 | 3 | 5 | 8 | 10 | 11 | 11 | 9 | 6 | 4 | 2 | 1 | 1 |
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| June | 2 | 3 | 6 | 8 | 10 | 11 | 11 | 9 | 7 | 4 | 2 | 1 | 1 |
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| July | 1 | 3 | 5 | 8 | 11 | 12 | 12 | 10 | 7 | 4 | 2 | 1 | 1 |
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| August | 1 | 3 | 5 | 8 | 10 | 12 | 11 | 10 | 7 | 4 | 2 | 1 | 1 |
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| September | 1 | 2 | 5 | 7 | 10 | 11 | 10 | 8 | 5 | 3 | 1 | 1 | 0 |
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| October | 1 | 2 | 3 | 5 | 7 | 8 | 7 | 5 | 3 | 2 | 1 | 0 | 0 |
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| November | 1 | 1 | 3 | 4 | 6 | 6 | 5 | 4 | 2 | 1 | 1 | 0 | 0 |
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| December | 0 | 1 | 2 | 3 | 4 | 4 | 4 | 3 | 2 | 1 | 1 | 0 | 0 |
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Compare Nagasaki UV Index to other Japan cities
Nagasaki's solar exposure compared to other cities in Japan. Generated using Copernicus Atmosphere Monitoring Service information.| | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
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| Sapporo | 2 | 3 | 6 | 7 | 9 | 9 | 9 | 10 | 8 | 5 | 3 | 2 |
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| Yokohama | 3 | 5 | 8 | 9 | 11 | 11 | 11 | 11 | 10 | 7 | 5 | 4 |
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| Tokyo | 3 | 5 | 8 | 9 | 11 | 11 | 11 | 11 | 10 | 7 | 5 | 4 |
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| Nagoya | 4 | 6 | 8 | 10 | 11 | 11 | 11 | 11 | 10 | 7 | 5 | 3 |
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| Osaka | 4 | 6 | 8 | 11 | 11 | 11 | 12 | 11 | 10 | 7 | 5 | 3 |
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| Nagasaki | 4 | 6 | 8 | 11 | 11 | 11 | 12 | 12 | 11 | 8 | 6 | 4 |
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Compare Nagasaki's UV Index to other cities in the world
Nagasaki'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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| Nagasaki | 4 | 6 | 8 | 11 | 11 | 11 | 12 | 12 | 11 | 8 | 6 | 4 |
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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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| 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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