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Tägliches Bulletin zur solaren und geomagnetischen Aktivität des SIDC

Ausgestellt: 2026 Mar 29 1231 UTC

Vorhersage des SIDC

Sonneneruptionen

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

Geomagnetismus

Quiet (A<20 and K<4)

Sonnenprotonen

Quiet

	10cm Fluss	Ap
29 Mar 2026	162	006
30 Mar 2026	158	007
31 Mar 2026	150	005

Solaraktive Regionen und Flares

Solar flaring activity was low over the past 24 hours, with a few C-class flares identified. SIDC Sunspot Group (SG) 835 (NOAA Active Region [AR] 4404, Alpha magnetic configuration) produced the brightest flare (SIDC flare 7284, a C2, that peaked on 28 Mar at 21:10 UTC). SIDC SG 830 (NOAA AR 4401, Beta-Gamma magnetic configuration) and SIDC SG 836 (NOAA AR 4405, Beta-Gamma magnetic configuration) also emitted X-ray flares. In the next 24 hours, C-class flaring activity is expected, although isolated M-class activity is still possible.

Koronaler Massenauswurf

No Earth-directed Coronal Mass Ejections (CME) were observed in the last 24 hours.

Sonnenwind

The Solar Wind (SW) conditions of the past 24 hours are typical of the slow SW regime. The SW speed registered values between 330 and 400 km/s, the interplanetary magnetic field (B) ranged between 2 and 8 nT, and its North-South component (Bz) varied from -5 nT to 2 nT. Slow SW conditions are expected to continue in the next 24 hours.

Geomagnetismus

The geomagnetic conditions of the past 24 hours were both globally and locally at quiet to active levels (NOAA Kp 2- to 4- and K BEL 2 to 4). In the next 24 hours it is likely that they drop to unsettled levels, although there is chance of activate levels to still register.

Protonenflusswerte

The greater than 10 MeV proton flux, as measured by the GOES-18 satellite, was at nominal levels over the past 24 hours and is expected to remain so.

Elektronenflüsse im geostationären Orbit

During the past 24 hours, the greater than 2 MeV electron flux as measured by GOES 19, fluctuated around the 1000 pfu alert threshold. A small drop is expected in the next 24 hours. The electron fluence dropped from moderate to normal levels on 29 Mar at 00:50 UTC. It is expected to remain at normal levels in the next 24 hours.

Die heute international geschätzte Sonnenfleckenanzahl (ISN): 137, basierend auf 18 Stationen.

Solarindizes für den 28 Mar 2026

Wolf-Zahl Catania	///
10cm Solarflux	162
AK Chambon La Forêt	024
AK Wingst	012
Geschätzer Ap-Wert	011
Geschätzte internationale Sonnenfleckenzahl	136 - Basierend auf 25 Stationen

Zusammenfassung auffälliger Ereignisse

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

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