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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2026 Jun 01 1234 UTC

Vorhersage des SIDC

Sonneneruptionen

C-class flares expected, (probability >=50%)

Geomagnetismus

Quiet (A<20 and K<4)

Sonnenprotonen

Quiet

	10cm Fluss	Ap
01 Jun 2026	130	006
02 Jun 2026	124	005
03 Jun 2026	120	023

Solaraktive Regionen und Flares

Solar flaring activity was low over the past 24 hours. The largest flare was a C1.9 flare (SIDC flare 7822) peaking on June 1 at 21:53 UTC. There are currently 9 numbered regions on the disk. SIDC Sunspot Groups 860 and 885 (NOAA Active Regions 4455 and 4457) are the largest and most complex regions on disk (magnetic type beta). The remaining regions are all simple and mostly quiet. Solar flaring activity is expected to be low over the next 24 hours, with C-class flares probable and possible isolated M-class flares.

Koronaler Massenauswurf

No Earth directed CMEs were detected in the available coronagraph imagery.

Koronale Löcher

An equatorial, positive polarity coronal hole (SIDC Coronal Hole 166) continued to cross the central meridian.

Sonnenwind

Over the past 24 hours, the solar wind parameters reflected the waning influence of the high speed stream from the negative polarity coronal holes, which crossed the central meridian on May 27 and May 28, respectively. The solar wind speed decreased from 550 kms to around 400 km/s. The total magnetic field ranged between 3 and 8 nT. Bz had a minimum of -5 nT. The interplanetary magnetic field phi angle was mostly in the negative sector (directed away from the Sun). Slow solar wind conditions are expected over the next 24 hours.

Geomagnetismus

The geomagnetic conditions were at quiet to unsettled levels globally (NOAA Kp 3) and at quiet to active levels locally (K Bel 4). Quiet conditions are expected over the next 24 hours.

Protonenflusswerte

The greater than 10 MeV proton flux was below the 10 pfu threshold over the past 24 hours. It is expected to remain below this threshold level over the next 24 hours.

Elektronenflüsse im geostationären Orbit

The greater than 2 MeV electron flux, as measured by GOES-18 and GOES-19 satellites, was below the 1000 pfu threshold. The greater than 2 MeV electron flux is expected to be below this threshold over the next 24 hours. The electron fluence was at normal levels and is expected to be at normal levels for the next 24 hours.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 114, basierend auf 18 Stationen.

Solarindizes für den 31 May 2026

Wolf-Zahl Catania	///
10cm Solarflux	136
AK Chambon La Forêt	018
AK Wingst	016
Geschätzer Ap-Wert	014
Geschätzte internationale Sonnenfleckenzahl	113 - Basierend auf 24 Stationen

Zusammenfassung auffälliger Ereignisse

Zur Verfügung gestellt vom Solar Influences Data Analysis Center© - SIDC - Verarbeitet von SpaceWeatherLive

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