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.
May 1996 |
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1Kp3- | 2Kp2 | 3Kp3- | 4Kp3 | 5Kp3 | ||
6Kp2- | 7Kp2 | 8Kp2+ | 9Kp2 | 10Kp2 | 11Kp2 | 12Kp2+ |
13Kp4- | 14Kp4- | 15Kp3 | 16Kp3+ | 17Kp3+ | 18Kp1+ | 19Kp3 |
20Kp4- | 21Kp3 | 22Kp3 | 23Kp2- | 24Kp3 | 25Kp3- | 26Kp3- |
27Kp4- | 28Kp2- | 29Kp3 | 30Kp3- | 31Kp3- | ||
Latest news
Thursday, 16 January 2025
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Saturday, 4 January 2025
Sunspot region 3947, X-class solar flares
Monday, 30 December 2024
Two earth-directed coronal mass ejections
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Space weather facts
| Last X-flare | 2025/01/04 | X1.85 |
| Last M-flare | 2025/01/19 | M2.4 |
| Last geomagnetic storm | 2025/01/04 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2024 | 154.5 +2 |
| January 2025 | 140 -14.6 |
| Last 30 days | 160.7 +43.5 |