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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July 2018

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C1.6

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B1.0

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B1.5

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Current data suggest that it is not possible to see aurora now at middle latitudes

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Space weather facts

Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2018/07/05Kp5 (G1)
Number of spotless days in 2018:104
Current stretch spotless days:20

This day in history*

Solar flares
12004X3.6
22004X1.3
32004X1.1
42000M5.5
51999M3.1
ApG
1200050G4
2200348G2
3201744G2
4201242G2
5199837G2
*since 1994

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