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Daily bulletin on solar and geomagnetic activity from the SIDC
Emesso: 2015 Feb 26 1222 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 | |
|---|---|---|
| 26 Feb 2015 | 114 | 007 |
| 27 Feb 2015 | 114 | 007 |
| 28 Feb 2015 | 114 | 007 |
Bulletin
Solar activity is very low, no C-class flares in past 24h. Geomagnetic conditions are quiet and expected to remain so.
Today's estimated international sunspot number (ISN): 018, based on 07 stations.Solar indices for 25 Feb 2015
| Wolf number Catania | 023 |
| 10cm solar flux | /// |
| AK Chambon La Forêt | 015 |
| AK Wingst | 009 |
| Estimated Ap | 009 |
| Estimated international sunspot number | 016 - Based on 10 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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X1.5 solar flare
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Notizie sul meteo spaziale
| Ultimo brillamento X | 2026/03/30 | X1.5 |
| Ultimo brillamento M | 2026/04/04 | 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 | 122.8 +36.9 |
| Ultimi 30 giorni | 99.9 +42.1 |