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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1Kp0 | 2Kp0+ | 3Kp0 | 4Kp0 | 5Kp2+ | 6Kp2+ | |
7Kp1+ | 8Kp0+ | 9B3.78 Kp0+ | 10C5 Kp0+ | 11Kp0 | 12Kp1 | 13B2.7 Kp1 |
14B5.94 Kp3 | 15B3.86 Kp1 | 16C7.57 Kp2 | 17C1.38 Kp1 | 18M1.08 Kp2- | 19C4.3 Kp1- | 20B3.83 Kp1+ |
21C3.57 Kp2 | 22M1.03 Kp2- | 23C9.23 Kp1+ | 24Kp1 | 25B1.44 Kp2+ | 26B6.83 Kp2 | 27C1.08 Kp1+ |
28Kp1- | 29Kp0+ | 30B4.01 Kp0 | 31B4.44 Kp0+ | |||
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 | 2024/12/26 | M7.3 |
| 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 | 119.3 -33.2 |
| Last 30 days | 122 -35.7 |