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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Monday Mon. |
Tuesday Tues. |
Wednesday Wed. |
Thursday Thurs. |
Friday Fri. |
Saturday Sat. |
Sunday Sun. |
1B1.9 Kp1 | 2Kp3+ | |||||
3B3 Kp3+ | 4B1 Kp3+ | 5B1.4 Kp2+ | 6B2.2 Kp2 | 7Kp2- | 8C1.5 Kp2 | 9Kp1- |
10B2.3 Kp1- | 11B2.6 Kp1 | 12B2 Kp1+ | 13Kp2- | 14Kp2- | 15C2 Kp1 | 16B1.2 Kp1 |
17Kp1 | 18Kp3 | 19B3.9 Kp3- | 20B1.2 Kp1 | 21B1.6 Kp2- | 22Kp2+ | 23Kp3- |
24Kp1- | 25Kp1 | 26Kp2+ | 27Kp3+ | 28Kp5- | 29Kp3+ | 30Kp3+ |
31Kp5- | ||||||
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 |