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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May 1997 |
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Tuesday Tues. |
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Friday Fri. |
Saturday Sat. |
Sunday Sun. |
1Kp6+ | 2Kp5 | 3B1.11 Kp3 | 4B2.23 Kp3 | |||
5B5.57 Kp3 | 6B1.59 Kp1+ | 7B2.49 Kp2- | 8Kp2- | 9Kp1+ | 10Kp1+ | 11Kp2+ |
12C1.81 Kp1- | 13B3.69 Kp1- | 14B5.39 Kp3- | 15B1.79 Kp7- | 16B2.7 Kp4- | 17Kp4- | 18B2.74 Kp2 |
19B4.03 Kp1- | 20C6 Kp2 | 21M1.73 Kp1+ | 22B4.04 Kp1+ | 23B4.56 Kp1- | 24B6.89 Kp2+ | 25B8.46 Kp2 |
26B5.34 Kp3+ | 27C6.66 Kp6 | 28C1.84 Kp2+ | 29Kp1+ | 30Kp3- | 31B2.43 Kp3- | |
Latest news
Sunday, 7 December 2025
M8.1 solar flare with earth-directed CME
Monday, 1 December 2025
X1.9 solar flare, Coronal hole faces Earth
Friday, 14 November 2025
X4.0 solar flare
Latest forum messages
AR4299 M8.1 CME 2025/12/06 447Sporadic E and Flare activity 37Notification bug 1AR4294 / 4296 / 4298 450Geminid Meteor Shower 2
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Space weather facts
| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/10 | M4.4 |
| Last geomagnetic storm | 2025/12/10 | Kp6+ (G2) |
| Spotless days | |
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| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
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| November 2025 | 91.8 -22.8 |
| December 2025 | 155.3 +63.5 |
| Last 30 days | 109 +10.8 |