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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February 2011 |
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Monday Mon. |
Tuesday Tues. |
Wednesday Wed. |
Thursday Thurs. |
Friday Fri. |
Saturday Sat. |
Sunday Sun. |
1B6.3 Kp3+ | 2B5.79 Kp3 | 3B3.54 Kp1- | 4C1.34 Kp6- | 5B5 Kp5 | 6Kp4- | |
7B2.53 Kp2 | 8C5.79 Kp3- | 9M2.75 Kp1 | 10C6.77 Kp2+ | 11C1.36 Kp3- | 12C3.76 Kp2 | 13M9.49 Kp1 |
14M3.27 Kp5+ | 15X3.3 Kp3- | 16M2.36 Kp2+ | 17C8.78 Kp1+ | 18M9.61 Kp5 | 19M1.22 Kp3- | 20C2.45 Kp3 |
21M1.13 Kp3- | 22B9.18 Kp2- | 23C1.75 Kp1 | 24M5.04 Kp2- | 25C2.29 Kp1 | 26C1.91 Kp1+ | 27C6.1 Kp1 |
28M1.57 Kp1 | ||||||
Latest news
Tuesday, 15 April 2025
CME arrival, G3 storm watch
Friday, 28 March 2025
X1.1 solar flare
Monday, 24 March 2025
Coronal hole faces Earth
Latest forum messages
Unspecified geomagnetic activity 2278Filaments and prominences 74Incoming & Unnumbered Active Regions 1776Growth of Cycle 25 830Coronal holes 119
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Space weather facts
| Last X-flare | 2025/03/28 | X1.1 |
| Last M-flare | 2025/04/18 | M4.4 |
| Last geomagnetic storm | 2025/04/16 | Kp8- (G4) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2025 | 134.2 -20.4 |
| April 2025 | 119.8 -14.4 |
| Last 30 days | 115.6 -27.3 |