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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Sunday Sun. |
1Kp3+ | 2Kp4- | 3B9.72 Kp2 | 4B4 Kp1 | 5C1.65 Kp4 | 6B4.9 Kp5+ | |
7B3.43 Kp6- | 8B7.72 Kp5+ | 9C2.59 Kp5 | 10M1.06 Kp4- | 11C1.85 Kp2+ | 12C2.44 Kp2- | 13C2.15 Kp3+ |
14C1.56 Kp5- | 15C2.93 Kp2 | 16C1.41 Kp3 | 17C1.19 Kp4+ | 18C1.86 Kp4 | 19C3.32 Kp5- | 20C5.89 Kp2 |
21C3.95 Kp3+ | 22B7 Kp2- | 23B6.59 Kp2 | 24C1.47 Kp3- | 25B4.05 Kp4+ | 26Kp4- | 27Kp4- |
28Kp2- | 29B2.83 Kp3- | 30Kp3- | 31Kp3+ | |||
Latest news
Tuesday, 17 March 2026
M2.7 solar flare, CME arrival possible
Sunday, 1 February 2026
Complex sunspot region 4366
Monday, 19 January 2026
CME impact! S4 solar radiation storm
Latest forum messages
CMes from ar 4392 (19-21st of march) 127Current Farside Activity 420Incoming & Unnumbered Active Regions 228An interesting article about the suns dynamo 2AR4392 (including CMEs) 120
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/03/18 | M2.7 |
| Last geomagnetic storm | 2026/03/14 | Kp6 (G2) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (4%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2026 | 78.2 -34.3 |
| March 2026 | 80.1 +1.9 |
| Last 30 days | 64.9 -40.9 |