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Daily bulletin on solar and geomagnetic activity from the SIDC

Emesso: 2014 Jul 18 1249 UTC

SIDC Forecast

Valid from 1230 UTC, 18 Jul 2014 until 20 Jul 2014
Brillamenti solari

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

Geomagnetism

Quiet (A<20 and K<4)

Protoni solari

Quiet

10cm fluxAp
18 Jul 2014089007
19 Jul 2014088007
20 Jul 2014087007

Bulletin

No C-class flares in past 24 hours from the almost spotless solar disk. The X-ray flux background is at the B-level (close to A-level). No significant activity is expected. Solar wind and geomagnetic conditions are quiet, no changes foreseen. The ALL-QUIET-ALERT remains valid.

Today's estimated international sunspot number (ISN): 012, based on 21 stations.

Solar indices for 17 Jul 2014

Wolf number Catania012
10cm solar flux089
AK Chambon La Forêt008
AK Wingst004
Estimated Ap003
Estimated international sunspot number000 - Based on 27 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 X2026/03/30X1.5
Ultimo brillamento M2026/04/04M1.0
Ultima tempesta geomagnetica2026/04/03Kp7- (G3)
Giorni senza macchie
Ultimi 365 giorni3 giorni
20263 giorni (3%)
Ultimo giorno senza macchie2026/02/24
Media mensile Numero di Macchie Solari
marzo 202685.9 +7.7
aprile 2026122.8 +36.9
Ultimi 30 giorni99.9 +42.1

Questo giorno nella storia*

Brillamenti solari
12006M1.39
22002M1.38
31997C9.01
42002C8.7
52002C6.29
DstG
12000-292G4
21995-149G4
31977-95G3
41989-85G1
51960-76G1
*dal 1994

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