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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April 2024 |
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1M3.9 Kp4- | 2Kp3- | 3B7.8 Kp3- | 4B8.7 Kp3+ | 5C3.8 Kp3+ | 6C1.6 Kp3 | 7C1.1 Kp2+ |
8C1.4 Kp3+ | 9C1.0 Kp3+ | 10C4.0 Kp3- | 11M5.47 Kp3- | 12C8.8 Kp2+ | 13M2.41 Kp2 | 14M4.3 Kp2- |
15M4.02 Kp3- | 16M1.1 Kp5+ | 17M1.6 Kp3 | 18M2.2 Kp2- | 19M2.1 Kp7 | 20C7.5 Kp3- | 21M3.43 Kp4 |
22M2.81 Kp2+ | 23M3.64 Kp3- | 24M2.0 Kp1 | 25M1.3 Kp1- | 26C6.5 Kp5 | 27M3.1 Kp3+ | 28C8.3 Kp4- |
29M3.71 Kp3- | 30M9.53 Kp4+ | |||||
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
AR3663 201CME Imagery isn't updating since May 3rd. 7Weakening of Earths magnetic field due to geomagnetic excursion 152024/05/03 X1.69 CME 26Space Weather Memes 344
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Space weather facts
| Last X-flare | 2024/05/06 | X4.4 |
| Last M-flare | 2024/05/06 | M1.5 |
| 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 | 156.6 +63.6 |