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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Saturday Sat. |
Sunday Sun. |
1Kp4- | 2Kp2 | 3Kp1+ | 4Kp1- | 5Kp1 | ||
6C2.18 Kp6- | 7Kp5 | 8B2.07 Kp3- | 9Kp1+ | 10Kp4+ | 11Kp3+ | 12Kp2 |
13Kp1 | 14B2.08 Kp2+ | 15Kp3- | 16Kp2 | 17B1.72 Kp2 | 18B4.74 Kp2- | 19Kp3- |
20Kp1 | 21Kp2 | 22B1.8 Kp2- | 23Kp1- | 24C2.9 Kp1- | 25Kp3 | 26Kp4 |
27Kp4 | 28Kp4- | 29Kp2 | 30Kp2 | 31B2.25 Kp3- | ||
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
Latest forum messages
AR 13932 542024/12/23 CME by AR 13932's M8.9 flare. 4Incoming & Unnumbered Active Regions 1365Space Weather Memes 614Strong far side CME 342
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Space weather facts
| Last X-flare | 2024/12/08 | X2.2 |
| Last M-flare | 2024/12/23 | M8.9 |
| 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 | 106.6 -45.9 |
| Last 30 days | 114.4 -44.3 |