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Codzienne wiadomości na temat aktywności słonecznej i geomagnetycznej z SIDC

Odnotowany: 2026 May 29 1231 UTC

Prognoza SIDC

Rozbłyski słoneczne

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

Geomagnetyzm

Active conditions expected (A>=20 or K=4)

Monitoring przepływu protonów

Quiet

	strumień 10cm	Ap
29 May 2026	148	014
30 May 2026	150	025
31 May 2026	151	016

Aktywne obszary słoneczne i rozbłyski

Solar flaring activity has been moderate over the last 24 hours, with one M-class flare and few C-class flares. The strongest flare was an M1.1 flare (SIDC Flare 7797), peaking at 07:04 UTC on May 29, associated with SIDC Sunspot Group 860 (NOAA Active Region 4455, magnetic type beta). There are currently twelve numbered active regions on the solar disk. The most complex one is SIDC Sunspot Group 879 (NOAA Active Region 4452, magnetic type beta-gamma). SIDC Sunspot Group 883 (NOAA Active Region 4453) and SIDC Sunspot Group 872 (NOAA Active Region 4443), both with magnetic type alpha, are currently rotating across the west limb. The solar flaring activity is expected to be low to moderate over the next 24 hours, with C-class flares very likely and a chance for M-class flares

Koronalny wyrzut masy

A Coronal Mass Ejection (SIDC CME 661) was observed in LASCO/C2 coronagraph imagery, starting from 23:12 UTC on May 28, lifting off from the west limb. It is most likely a backsided event and it is not expected to impact Earth. No other Earth-directed CMEs were observed in the available coronagraph imagery during the last 24 hours.

Wiatr słoneczny

Over the last 24 hours, the solar wind parameters (ACE and DSCOVR) were slightly enhanced, possibly due to the arrival of a mild high- speed stream from the southern, negative polarity coronal hole (SIDC Coronal Hole 149). The solar wind speed increased from 400 km/s to 470 km/s and then decreased to around 430 km/s. The interplanetary magnetic field was between 5 nT and 10 nT. The Bz component varied between -8 nT and 7 nT. The interplanetary magnetic field angle phi was predominantly in the negative sector. Mostly slow solar wind conditions are expected over the next 24 hours, with a chance for further enhancements due to the possible arrival of a mild high-speed stream from the northern, negative polarity coronal hole (SIDC Coronal Hole 142).

Geomagnetyzm

Geomagnetic conditions globally were mostly unsettled (NOAA Kp 3- to 3), reaching active levels (NOAA Kp 4- ) between 15:00 and 18:00 UTC on May 28. Geomagnetic conditions locally were mostly unsettled (K Bel 3). Mostly unsettled to active conditions (NOAA Kp 3 to 4), with a small chance of isolated minor storm intervals (NOAA Kp 5) are expected over the next 24 hours, due to the possible arrival of a mild high-speed stream from the northern, negative polarity coronal hole (SIDC Coronal Hole 142).

Poziomy przepływu protonów

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

Strumienie elektronów na orbicie geostacjonarnej

The greater than 2 MeV electron flux measured by GOES 18 and GOES 19 was slightly elevated but remained below the 1000 pfu threshold during the last 24 hours. The 24-hour electron fluence was at normal levels and it is expected to remain so over the next 24 hours.

Dzisiejsza szacunkowa międzynarodowa liczba plam na Słońcu (ISN): 141, na podstawie 19 stacji.

Indeksy solarne na 28 May 2026

Liczba Wolfa z Katanii	207
Fale radiowe 10,7 cm	145
AK Chambon La Forêt	023
AK Wingst	016
Szacunkowa Ap	016
Szacowana międzynarodowa liczba plam słonecznych	158 - Na podstawie stacji 33

Podsumowanie wydarzeń godnych uwagi

Dostarczone przez Centrum Analizy Danych Wpływów Słonecznych© - SIDC - Przetworzone przez SpaceWeatherLive

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