The aurora and solar activity archive

Searching for historical solar and auroral activity data? The archive is filled with data between the year 1996 and yesterday.

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January 2019

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B2.8

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B1.9

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B4.2

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C1.6

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B1.1

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A1.1

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A1.1

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Space weather facts

Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2019/01/05Kp5 (G1)
Number of spotless days in 2019:12
Current stretch spotless days:13

This day in history*

Solar flares
12005X1.3
22005M6.7
32012M3.2
42005M2.7
52010M2.3
ApG
1200560G3
2199425G1
3200418
4200318
5200214
*since 1994

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