Sunspot region AR9312
| Number of sunspots |
Size | Class Magn. | Class Spot | Location | |
|---|---|---|---|---|---|
| 2001/01/17 | 2 | 60 | HSX | N08E60 | |
| 2001/01/18 | 1 | 20 | HSX | N08E47 | |
| 2001/01/19 | 2 | 20 | HSX | N08E36 | |
| 2001/01/20 | 2 | 20 | BXO | N08E22 | |
| 2001/01/21 | 3 | 10 | BXO | N06E07 |
Latest news
Friday, 28 March 2025
X1.1 solar flare
Monday, 24 March 2025
Coronal hole faces Earth
Saturday, 22 March 2025
Strong G3 geomagnetic storm watch for 23 March
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Upper atmosphere phenomena Red sprites and Blue jets 2Incoming & Unnumbered Active Regions 1667Unspecified geomagnetic activity 2228A few (probably stupid) questions about Earth's magnetic field decay 4AR 4054 6
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Space weather facts
| Last X-flare | 2025/03/28 | X1.1 |
| Last M-flare | 2025/04/05 | M1.0 |
| Last geomagnetic storm | 2025/04/05 | Kp6- (G2) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2025 | 134.2 -20.4 |
| April 2025 | 150.4 +16.2 |
| Last 30 days | 131.6 -13.4 |