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Daily bulletin on solar and geomagnetic activity from the SIDC
Emesso: 2019 Nov 01 1230 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 | |
|---|---|---|
| 01 Nov 2019 | 071 | 006 |
| 02 Nov 2019 | 072 | 007 |
| 03 Nov 2019 | 072 | 007 |
Bulletin
No active regions visible on the disk, but a new sunspot from solar cycle 25 seems to be emerging on the southern hemisphere. Solar activity has been very low, no flares in the past 24 h. Low solar activity 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 420 km/s with interplanetary magnetic field magnitude of 4 nT. Geomagnetic conditions have been quiet to unsettled, and are expected to remain so for the next 48 h.
Today's estimated international sunspot number (ISN): 010, based on 02 stations.Solar indices for 31 Oct 2019
| Wolf number Catania | 000 |
| 10cm solar flux | 071 |
| AK Chambon La Forêt | 010 |
| AK Wingst | 009 |
| Estimated Ap | 008 |
| Estimated international sunspot number | /// - Based on /// 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 | 2026/03/28 | M1.3 |
| Ultima tempesta geomagnetica | 2026/03/25 | Kp5+ (G1) |
| 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 | |
|---|---|
| febbraio 2026 | 78.2 -34.3 |
| Ultimi 30 giorni | 90 +16.9 |