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Daily bulletin on solar and geomagnetic activity from the SIDC

Emesso: 2018 Sep 01 1230 UTC

SIDC Forecast

Valid from 1230 UTC, 01 Sep 2018 until 03 Sep 2018
Brillamenti solari

Quiet conditions (<50% probability of C-class flares)

Geomagnetism

Quiet (A<20 and K<4)

Protoni solari

Quiet

10cm fluxAp
01 Sep 2018068006
02 Sep 2018067005
03 Sep 2018067008

Bulletin

Over the past 24 hours solar activity has been Low. No significant flares have been recorded. There are currently no significant ARs on the solar disk. No Earth directed Coronal Mass Ejections (CMEs) have been detected. The greater than 10MeV proton flux remained at background levels over the past 24 hours. Solar activity is expected to remain low over the next 24 hours with a low probability of C-class flares. The solar wind speed has fluctuated between 360 and 410 km/s over the past 24 hours. The total magnetic field strength has fluctuated around 5 nT. The Bz component has been mainly positive fluctuating between -5 and +5 nT. Geomagnetic conditions ranged between Kp index 1-2 (NOAA) and local K index 1-3 (Dourbes) over the past 24 hours. Geomagnetic conditions are expected to be quiet.

Today's estimated international sunspot number (ISN): 000, based on 20 stations.

Solar indices for 31 Aug 2018

Wolf number Catania///
10cm solar flux068
AK Chambon La Forêt010
AK Wingst006
Estimated Ap006
Estimated international sunspot number/// - Based on /// stations

Noticeable events summary

DayBeginMaxFineLocStrengthOP10cmCatania/NOAARadio burst types
Nessuna

Provided by the Solar Influences Data analysis Center© - SIDC - Processed by SpaceWeatherLive

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Notizie sul meteo spaziale

Ultimo brillamento X2025/12/08X1.1
Ultimo brillamento M2026/01/17M1.1
Ultima tempesta geomagnetica2026/01/17Kp5+ (G1)
Giorni senza macchie
Ultimo giorno senza macchie2022/06/08
Media mensile Numero di Macchie Solari
dicembre 2025124 +32.2
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Questo giorno nella storia*

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