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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Friday Fri. |
Saturday Sat. |
Sunday Sun. |
1Kp2- | 2C1.01 Kp3- | 3C2.2 Kp4 | 4C1.39 Kp3 | 5C1.87 Kp4 | 6Kp4 | 7C4.29 Kp4+ |
8C6.99 Kp3 | 9B7.89 Kp3 | 10C1.76 Kp5- | 11M1.86 Kp3 | 12C4.14 Kp3- | 13M2.67 Kp3- | 14C4.04 Kp4+ |
15C1.83 Kp3 | 16M1.42 Kp3 | 17B7.21 Kp1+ | 18C1.2 Kp3 | 19C1.12 Kp4 | 20C5.33 Kp5- | 21C4.6 Kp4- |
22C3.8 Kp3+ | 23C2.51 Kp4+ | 24C5.09 Kp4- | 25C8.51 Kp3 | 26C2.74 Kp6+ | 27M1.34 Kp2- | 28C3.84 Kp1 |
29C4.57 Kp2- | 30C6.56 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 |