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Reports
Solar activity
Auroral activity
CME impact expected, G3 storm watch

What a day yesterday. The spectacular X1.0 solar flare (which is the second strongest solar flare of the current Solar Cycle thus far) launched a magnificent coronal mass ejection into space. Sunspot region 2887 was in a perfect earth-facing position at the time of the eruption and it was no secret that the cloud of solar plasma would have an earth-directed component. What could we expect for the coming Halloween weekend? Stay tuned!

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Space weather facts

Last X-flare2025/12/08X1.1
Last M-flare2025/12/12M1.1
Last geomagnetic storm2025/12/12Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
November 202591.8 -22.8
December 2025128 +36.2
Last 30 days108.4 +15.8

This day in history*

Solar flares
11998X1.15
22014M9.92
32002M3.54
41999M2.19
51999M1.36
DstG
11971-120G1
21958-111G3
31978-78G2
41988-77G1
51962-76G2
*since 1994

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