The aurora and solar activity archive
Searching for historical solar and auroral activity data? The archive is filled with data between the year 1996 and yesterday. You can choose a viewing mode to quickly look for days with interesting space weather and pick a day to view the archived data for that day with more detailed space weather data.
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March 2025 |
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Thursday Thurs. |
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Sunday Sun. |
1C9.5 Kp4 | 2C2.9 Kp2+ | |||||
3C2.8 Kp1+ | 4C4.6 Kp4+ | 5M1.7 Kp3+ | 6C1.6 Kp2+ | 7M1.6 Kp3 | 8C3.9 Kp5 | 9C2.5 Kp6- |
10C2.1 Kp3- | 11M1.1 Kp3- | 12C8.8 Kp5 | 13C7.9 Kp5 | 14M1.1 Kp5+ | 15C4.1 Kp4 | 16C6.5 |
17C9.7 | 18C3 | 19M1.5 | 20C6 | 21M1.2 | 22C5 | 23C4.5 |
24C5.1 | ||||||
Latest news
Monday, 24 March 2025
Coronal hole faces Earth
Saturday, 22 March 2025
Strong G3 geomagnetic storm watch for 23 March
Wednesday, 5 March 2025
Coronal hole faces Earth
Latest forum messages
AR14028 2025/03/21 CME 2025/03/23 G3 Watch 344Photographing auroras 11Incoming & Unnumbered Active Regions 1641Photographing auroras 0New satellites - Proba-3, PUNCH, SWFO-L1, GOES-U/19 35
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Space weather facts
| Last X-flare | 2025/02/23 | X2.0 |
| Last M-flare | 2025/03/21 | M1.2 |
| Last geomagnetic storm | 2025/03/22 | Kp6- (G2) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2025 | 154.6 +17.6 |
| March 2025 | 138.3 -16.4 |
| Last 30 days | 136.1 -18.1 |