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Daily bulletin on solar and geomagnetic activity from the SIDC
Emesso: 2013 Feb 15 1221 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 | |
|---|---|---|
| 15 Feb 2013 | 097 | 001 |
| 16 Feb 2013 | 097 | 007 |
| 17 Feb 2013 | 100 | 010 |
Bulletin
Solar activity was very low during the past 24 hours and is expected to remain at quiet levels for the next 48 hours. Geomagnetic activity is expected to be low for the next 48 hours.
Today's estimated international sunspot number (ISN): 030, based on 04 stations.
Solar indices for 14 Feb 2013
| Wolf number Catania | 036 |
| 10cm solar flux | 100 |
| AK Chambon La Forêt | 015 |
| AK Wingst | 016 |
| Estimated Ap | 016 |
| Estimated international sunspot number | 021 - Based on 15 stations |
Noticeable events summary
| Day | Begin | Max | Fine | Loc | Strength | OP | 10cm | Radio burst types | Catania/NOAA | |
|---|---|---|---|---|---|---|---|---|---|---|
| Nessuna | ||||||||||
Provided by the Solar Influences Data analysis Center© - SIDC - Processed by SpaceWeatherLive
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Notizie sul meteo spaziale
| Ultimo brillamento X | 2026/02/04 | X4.21 |
| Ultimo brillamento M | 2026/03/26 | M4.0 |
| Ultima tempesta geomagnetica | 2026/03/25 | Kp5+ (G1) |
| Giorni senza macchie | |
|---|---|
| Ultimi 365 giorni | 3 giorni |
| 2026 | 3 giorni (4%) |
| Ultimo giorno senza macchie | 2026/02/24 |
| Media mensile Numero di Macchie Solari | |
|---|---|
| febbraio 2026 | 78.2 -34.3 |
| marzo 2026 | 81.4 +3.2 |
| Ultimi 30 giorni | 80 -0.8 |