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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Sunday Sun. |
1Kp2+ | 2Kp2+ | 3B3.55 Kp1+ | 4B8.35 Kp1 | 5B7.55 Kp3 | ||
6C3.55 Kp3 | 7B5.94 Kp3 | 8C4.74 Kp4- | 9Kp3 | 10B7.46 Kp1 | 11B6.7 Kp0+ | 12B2.41 Kp1- |
13B2.7 Kp2- | 14Kp3 | 15C1.26 Kp4- | 16B6.24 Kp4- | 17C1.82 Kp3 | 18B5.62 Kp3- | 19B5.08 Kp1+ |
20C3.04 Kp2 | 21C2 Kp3- | 22C1.18 Kp1+ | 23B3.38 Kp2+ | 24B3.84 Kp4 | 25B5.41 Kp3+ | 26C1.01 Kp3- |
27B8.37 Kp3- | 28C2.84 Kp4+ | 29B9.01 Kp3- | 30B9.65 Kp1- | |||
Latest news
Monday, 23 December 2024
M9.0 solar flare with earth-directed CME
Sunday, 8 December 2024
X2.2 solar flare, SDO outage
Thursday, 21 November 2024
Major far side eruption, S1 radiation storm
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Space weather facts
| Last X-flare | 2024/12/08 | X2.2 |
| Last M-flare | 2024/12/25 | M4.9 |
| Last geomagnetic storm | 2024/12/17 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2024 | 152.5 -13.9 |
| December 2024 | 115.2 -37.3 |
| Last 30 days | 120.1 -38.2 |