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More X-flares!

Sunspot region 3664 continues producing major solar flares even now that it rotated behind the west limb. An X3.4 solar flare that peaked at 08:37 UTC was highly eruptive and an impressive coronal mass ejection could be seen on LASCO coronagraph imagery from SOHO. The coronal mass ejection is however, as you might have guessed already, not aimed at our planet.

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S2 - Moderate solar radiation storm

Infrequent effects on HF radio through polar regions and satellite operations

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Latest alerts

02:15 UTC - Solar protons

Moderate S2 Solar Radiation Storm - Infrequent effects on HF radio through polar regions and satellite operations


Monday, 31 March 2025
11:15 UTC - Solar protons

Minor S1 Solar Radiation Storm - Minor impacts on HF radio through polar regions


10:45 UTC - Solar flare

Moderate M1.26 flare

alert


10:27 UTC - Radio Blackout

Minor R1 radio blackout in progress (≥M1 - current: M1.22)


00:09 UTC - Solar flare

Moderate M1.03 flare

alert


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Space weather facts

Last X-flare2025/03/28X1.1
Last M-flare2025/03/31M1.2
Last geomagnetic storm2025/03/27Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
February 2025154.6 +17.6
Last 30 days127.7 -23.5

This day in history*

Solar flares
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32001M5.75
42024M3.9
52001M1.85
DstG
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*since 1994

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