Searching for historical solar and auroral activity data? The archive is filled with data between the year 1996 and yesterday.
|Predicted Kp max||3|
|M-class solar flare||1%|
|X-class solar flare||1%|
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|Last geomagnetic storm:||2017/10/15||Kp5 (G1)|
|Number of spotless days in 2017:||64|
|Current stretch spotless days:||2|