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Daily bulletin on solar and geomagnetic activity from the SIDC

Emesso: 2020 Jun 18 1231 UTC

SIDC Forecast

Valid from 1230 UTC, 18 Jun 2020 until 20 Jun 2020
Brillamenti solari

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

Geomagnetism

Quiet (A<20 and K<4)

Protoni solari

Quiet

10cm fluxAp
18 Jun 2020069007
19 Jun 2020069007
20 Jun 2020069007

Bulletin

There is no active region on the visible Sun. No B or brighter flares in the past 24 hours, none expected.

No Earth-directed Coronal Mass Ejections (CMEs) were observed in available coronagraphic imagery.

Solar wind speed near Earth has remained at around 300 km/s in the past 24 hours. The Interplanetary Magnetic Field ranged between 3 and 6 nT.

Quiet to unsettled geomagnetic conditions were observed locally (K Dourbes between 0 and 3) and Kp ranged between 0 and 2 in the past 24 hours. Quiet conditions expected for the next 48 hours.

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

Solar indices for 17 Jun 2020

Wolf number Catania000
10cm solar flux069
AK Chambon La Forêt008
AK Wingst006
Estimated Ap005
Estimated international sunspot number000 - Based on 28 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
gennaio 2026117.9 -6.1
Ultimi 30 giorni121.2 +12.1

Questo giorno nella storia*

Brillamenti solari
12003M2.74
22025M2.7
32024M2.6
42001M1.56
52024M1.4
DstG
11979-88G2
21957-71G1
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42004-52G1
51999-50
*dal 1994

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