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. |
1B3.38 Kp1 | 2C4.51 Kp0+ | 3C2.87 Kp2 | ||||
4C1.99 Kp1+ | 5B1.71 Kp1 | 6B7.94 Kp1- | 7B1.91 Kp1- | 8B1.99 Kp1- | 9C1.48 Kp0+ | 10B6.35 Kp2- |
11C1.3 Kp2+ | 12C1.56 Kp2 | 13B3.56 Kp3 | 14C1.14 Kp2- | 15C1.89 Kp2+ | 16B5.61 Kp1- | 17C3.01 Kp0+ |
18C7.09 Kp1+ | 19M3.31 Kp1- | 20M4.94 Kp4 | 21C7 Kp3- | 22C1.36 Kp2- | 23B6.35 Kp2+ | 24B4.36 Kp2- |
25Kp1+ | 26B9.52 Kp2 | 27B8.82 Kp1- | 28B5.66 Kp2- | 29Kp1- | 30B1.58 Kp2 | 31B6.86 Kp2+ |
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 |