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Daily bulletin on solar and geomagnetic activity from the SIDC
Emesso: 2020 Jun 18 1231 UTC
SIDC Forecast
Brillamenti solari
Quiet conditions (<50% probability of C-class flares)
Geomagnetism
Quiet (A<20 and K<4)
Protoni solari
Quiet
| 10cm flux | Ap | |
|---|---|---|
| 18 Jun 2020 | 069 | 007 |
| 19 Jun 2020 | 069 | 007 |
| 20 Jun 2020 | 069 | 007 |
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 Catania | 000 |
| 10cm solar flux | 069 |
| AK Chambon La Forêt | 008 |
| AK Wingst | 006 |
| Estimated Ap | 005 |
| Estimated international sunspot number | 000 - Based on 28 stations |
Noticeable events summary
| Day | Begin | Max | Fine | Loc | Strength | OP | 10cm | Catania/NOAA | Radio 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 X | 2026/03/30 | X1.5 |
| Ultimo brillamento M | 2026/04/09 | M1.0 |
| Ultima tempesta geomagnetica | 2026/04/03 | Kp7- (G3) |
| Giorni senza macchie | |
|---|---|
| Ultimi 365 giorni | 3 giorni |
| 2026 | 3 giorni (3%) |
| Ultimo giorno senza macchie | 2026/02/24 |
| Media mensile Numero di Macchie Solari | |
|---|---|
| marzo 2026 | 85.9 +7.7 |
| aprile 2026 | 114.3 +28.4 |
| Ultimi 30 giorni | 101.8 +46.6 |