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Daily bulletin on solar and geomagnetic activity from the SIDC

Emesso: 2018 Jul 04 1230 UTC

SIDC Forecast

Valid from 1230 UTC, 04 Jul 2018 until 06 Jul 2018
Brillamenti solari

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

Geomagnetism

Quiet (A<20 and K<4)

Protoni solari

Quiet

10cm fluxAp
04 Jul 2018068003
05 Jul 2018068003
06 Jul 2018068003

Bulletin

Over the past 24 hours solar activity has been low. No significant flares have been recorded. There are no significant Active Regions (AR) on the solar disk. 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. The solar wind speed fluctuated around 325 km/s over the past 24 hours. The total magnetic field strength has fluctuated between 2 and 7 nT. The Bz component was mainly positive, fluctuating between -5 and 7 nT. Geomagnetic conditions ranged between Kp index 1-2 (NOAA) and local K index 0-3 (Dourbes) over the past 24 hours. Geomagnetic conditions are expected to be quiet.

Today's estimated international sunspot number (ISN): 000, based on 27 stations.

Solar indices for 03 Jul 2018

Wolf number Catania000
10cm solar flux068
AK Chambon La Forêt009
AK Wingst005
Estimated Ap004
Estimated international sunspot number000 - Based on 37 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 X2026/01/18X1.9
Ultimo brillamento M2026/01/21M3.4
Ultima tempesta geomagnetica2026/01/22Kp5+ (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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*dal 1994

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