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Bulletin on solar and geomagnetic activity Solar activity report Geophysical report Sunspot regions Coronal holes Kp values Solar flares Radiation storms Solar wind (Speed, Density), Interplanetary Magnetic Field (IMF) (Bt, Bz)

Strongest geomagnetic storm since 2003, X5.8 solar flare

The geomagnetic storm that commenced yesterday will go down in the record books as the strongest geomagnetic storm since the Halloween Solar Storms of 2003. The May 2024 storms thus far peaked at a Dst of -412 nT.

Extreme G5 geomagnetic storm

For the first time since the Halloween Solar Storms of 2003 we have now officially reached the Extreme G5 geomagnetic storm threshold at 22:54 UTC.

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Current data suggests there is a slight possibility for aurora to appear at the following high latitude regions in the near future

Gillam, MB, Whitehorse, YT, Yellowknife, NT

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Tuesday, 5 August 2025

M4.4 solar flare from sunspot region 4168

Monday, 2 June 2025

The CME did not disappoint! More storming activity to come?

Saturday, 31 May 2025

M8.2 solar flare, Strong G4 geomagnetic storm watch

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Incoming & Unnumbered Active Regions 1995 large-scale structure of coronal holes since Dec 2024 11 Perseids 2025 20 Unspecified geomagnetic activity 2895 Sunspot Latitudes at or near Solar Maximum 100

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