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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1B1.6 Kp4- | 2B1.43 Kp5- | |||||
3B1.59 Kp3- | 4B2.88 Kp2 | 5Kp3+ | 6Kp4 | 7Kp4+ | 8B4.34 Kp2 | 9Kp1- |
10Kp1- | 11Kp1- | 12Kp1 | 13Kp1 | 14Kp2+ | 15Kp2 | 16Kp1+ |
17Kp2 | 18Kp3 | 19Kp2- | 20Kp4 | 21Kp4- | 22Kp4- | 23Kp4+ |
24Kp4- | 25Kp3- | 26Kp2 | 27Kp5 | 28Kp5 | 29Kp5 | 30Kp4- |
Latest news
Saturday, 4 May 2024
Sunspot region 3663, X1 solar flare
Monday, 22 April 2024
Lot's of sunspots! Big chance for major flare activity?
Saturday, 23 March 2024
X1.1 solar flare with earth-directed CME
Latest forum messages
CME 2024-MAY-01 south of AR3654 C5.8 6Weakening of Earths magnetic field due to geomagnetic excursion 7AR3663 125Unproven theories 382Latest SC25 Predictions 111
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Space weather facts
| Last X-flare | 2024/05/03 | X1.6 |
| Last M-flare | 2024/05/05 | M8.3 |
| Last geomagnetic storm | 2024/05/02 | Kp7- (G3) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| April 2024 | 136.5 +31.6 |
| Last 30 days | 153.8 +59.7 |