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Daily bulletin on solar and geomagnetic activity from the SIDC

Emesso: 2019 Aug 03 1231 UTC

SIDC Forecast

Valid from 1230 UTC, 03 Aug 2019 until 05 Aug 2019
Brillamenti solari

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

Geomagnetism

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

Protoni solari

Quiet

10cm fluxAp
03 Aug 2019067007
04 Aug 2019067007
05 Aug 2019067017

Bulletin

No active regions visible on the Sun. No flares observed, nor expected.

No Earth directed CMEs in past 24 h. Solar protons have remained at background levels over the past 24 hours.

The solar wind speed is at 380 km/s with interplanetary magnetic field magnitude of 3 nT. Quiet geomagnetic conditions were observed in the past 24 h. Disturbed geomagnetic conditions (up to minor storm levels) are expected when the high speed solar wind from a positive polarity equatorial coronal reaches the Earth in August 5.

Today's estimated international sunspot number (ISN): 000, based on 14 stations.

Solar indices for 02 Aug 2019

Wolf number Catania///
10cm solar flux067
AK Chambon La Forêt007
AK Wingst///
Estimated Ap006
Estimated international sunspot number000 - Based on 31 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 geomagnetica2026/01/28Kp5+ (G1)
Giorni senza macchie
Ultimo giorno senza macchie2022/06/08
Media mensile Numero di Macchie Solari
dicembre 2025124 +32.2
gennaio 2026119 -5
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Questo giorno nella storia*

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DstG
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*dal 1994

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