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 1997 |
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Friday Fri. |
Saturday Sat. |
Sunday Sun. |
1Kp2+ | 2C3.49 Kp3+ | |||||
3B9.46 Kp4- | 4C2.63 Kp2 | 5Kp3 | 6Kp4- | 7B1.79 Kp3- | 8B4.23 Kp6- | 9Kp5+ |
10Kp4 | 11Kp4+ | 12Kp3+ | 13Kp2 | 14Kp2+ | 15Kp3- | 16Kp3 |
17Kp4+ | 18Kp3- | 19C5.27 Kp2- | 20C6.43 Kp2- | 21B1.71 Kp3+ | 22Kp3+ | 23C1.03 Kp3+ |
24Kp3 | 25B1.64 Kp3 | 26Kp4 | 27Kp7 | 28Kp6+ | ||
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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Space weather facts
| Last X-flare | 2025/03/28 | X1.1 |
| Last M-flare | 2025/03/31 | M1.2 |
| Last geomagnetic storm | 2025/03/27 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2025 | 154.6 +17.6 |
| March 2025 | 127 -27.6 |
| Last 30 days | 127 -25.7 |