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Daily bulletin on solar and geomagnetic activity from the SIDC
Emesso: 2019 Jul 12 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 | |
|---|---|---|
| 12 Jul 2019 | 067 | 006 |
| 13 Jul 2019 | 067 | 007 |
| 14 Jul 2019 | 067 | 007 |
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 470 km/s with interplanetary magnetic field magnitude of 5 nT. Quiet conditions have been observed in the past 24 h and the same is expected for the next 48 h.
Today's estimated international sunspot number (ISN): 000, based on 26 stations.Solar indices for 11 Jul 2019
| Wolf number Catania | 000 |
| 10cm solar flux | 067 |
| AK Chambon La Forêt | 013 |
| AK Wingst | 008 |
| Estimated Ap | 009 |
| Estimated international sunspot number | 000 - Based on 24 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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Ultime notizie
X1.5 solar flare
M2.7 solar flare, CME arrival possible
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Notizie sul meteo spaziale
| Ultimo brillamento X | 2026/03/30 | X1.4 |
| 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 | 88.6 +15.4 |