查看星期日, 24 5月 2026歷史檔案

SIDC 太陽影響數據分析中心的每日公告

發布時間: 2026 May 24 1231 UTC

SIDC太陽影響數據分析中心的預報

太陽閃焰

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

地磁

Quiet (A<20 and K<4)

太陽質子

Quiet

	10公分通量	Ap
24 May 2026	133	005
25 May 2026	136	003
26 May 2026	140	005

太陽活動區和耀斑

Solar flaring activity was low but frequent over the past 24 hours, with more than 10 C-class flares identified. SIDC Sunspot Group (SG) 870 (NOAA Active Region [AR] 4441, Beta magnetic configuration) and SIDC SG 873 (NOAA AR 4446, Beta magnetic configuration) produced all the C-class flaring activity. Notable flares are the SIDC flares 7771 (a C5 and the brightest flare that peaked on 23 May at 22:04 UTC) and the double-peaked flares 7769 (a C2 with its highest peak on 23 May at 19:55 UTC) and 7775 (a C3 with its highest peak on 24 May at 02:37 UTC). More C-flass flaring activity is expected in the next 24 hours.

日冕物質拋射

No Earth-directed Coronal Mass Ejections (CME) were observed in the last 24 hours. The two CME seen in LASCO-C2/SOHO images as launched on 23 May at 16:12 and 19:12 UTC are back-sided events. The CME seen in LASCO-C2/SOHO images as launched on 24 May at 09:12 UTC is associated with SIDC SG 870 and was launched close to the west limb. None of the three CME is expected to affect Earth.

太陽風

The Solar Wind (SW) conditions of the past 24 hours feature a slow SW regime. The SW speed gradually dropped from 340 and 290 km/s, the interplanetary magnetic field (B) was between 3 and 6 nT, and its North- South component (Bz) varied from -4 to 4 nT. The SW conditions are expected to remain at the current levels in the next 24 hours.

地磁

The geomagnetic conditions of the past 24 hours were at quiet levels both globally and locally (NOAA Kp 0+ to 1+ and K BEL 1 to 2). In the next 24 hours it is likely that they will continue at quiet levels.

質子通量水平

The greater than 10 MeV proton flux, as measured by the GOES-19 satellite, was at nominal levels over the past 24 hours and is likely to remain so in the next 24 hours.

地球靜止軌道上的電子通量

The greater than 2 MeV electron flux as, measured by GOES 19, was above the 1000 pfu alert threshold for past 24 hours. It reached a peak value of 4000 pfu on 23 May at 16:55 UTC. It is expected to remain at the same levels in the next 24 hours. The electron fluence was at moderate levels in the past 24 hours and it is expected to remain at the same levels in the next 24 hours.

今日估計的國際太陽黑子數（ISN）：118，基於18個觀測站。

太陽活動指數 23 May 2026

卡塔尼亞沃爾夫數	///
10厘米太陽通量	137
AK Chambon La Forêt	005
AK Wingst	002
估計地磁Ap指數	002
估計國際太陽黑子數	118 - 基於21個觀測站

顯著活動摘要

由太陽影響數據分析中心提供© - SIDC - 由 SpaceWeatherLive處理

所有時間均採用 UTC 時間

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