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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Friday Fri. |
Saturday Sat. |
Sunday Sun. |
1M1.59 Kp4- | 2M4.1 Kp5- | 3M1.6 Kp5 | 4M9.79 Kp2+ | 5M2.29 Kp3+ | 6C1.35 Kp3+ | 7B5.86 Kp2 |
8C6.1 Kp2 | 9M1.33 Kp3- | 10M1.26 Kp3- | 11M1.12 Kp2 | 12M1.54 Kp4 | 13M1.59 Kp4 | 14M1.56 Kp4- |
15M6.36 Kp4+ | 16M4.69 Kp4+ | 17M1.1 Kp6 | 18M3.96 Kp3+ | 19M1.66 Kp2+ | 20M1.09 Kp2+ | 21M1.17 Kp2 |
22C9.14 Kp3- | 23M1.36 Kp7- | 24M1.87 Kp8 | 25C5.16 Kp5- | 26C8.73 Kp4- | 27C3.43 Kp3- | 28M1.24 Kp3- |
29C2.44 Kp5 | 30C7.23 Kp4+ | 31C6.87 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 93Weakening of Earths magnetic field due to geomagnetic excursion 6Does anyone know what happened to solarham.net? 10AR3666 Beta-Gamma-Delta 7Sporadic E and Flare activity 18
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Space weather facts
| Last X-flare | 2024/05/03 | X1.6 |
| Last M-flare | 2024/05/04 | M1.2 |
| 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 | 151.9 +56.5 |