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Viewing archive of Wednesday, 21 June 2023

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Reports
Bulletin on solar and geomagnetic activity Solar activity report Geophysical report
Solar activity
Sunspot regions Solar flares Coronal holes Radiation storms
Auroral activity
Kp values Solar wind (Speed, Density), Interplanetary Magnetic Field (IMF) (Bt, Bz) Aurora Observations
X1.1 solar flare

That was unexpected! Incoming sunspot region 3341 produced an X1.1 solar flare (R3-strong) that peaked yesterday at 17:09 UTC. It has almost been 3 months since the last time we had an X-class solar flare and we have to admit getting an X-flare was unexpected!

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AR4299 M8.1 CME 2025/12/06 41AR 4299 83Unspecified geomagnetic activity 41AR4294 / 4296 / 4298 336Electron event 8
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Space weather facts

Last X-flare2025/12/01X1.9
Last M-flare2025/12/06M8.1
Last geomagnetic storm2025/12/04Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
November 202591.8 -22.8
December 2025175.4 +83.6
Last 30 days106.4 +12.9

This day in history*

Solar flares
12024M3.2
22006M2.97
32024M2.3
42013M1.82
51999M1.46
DstG
11982-78G2
22022-63G1
31959-60
41960-60G2
51993-57G1
*since 1994

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