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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Monday Mon. |
Tuesday Tues. |
Wednesday Wed. |
Thursday Thurs. |
Friday Fri. |
Saturday Sat. |
Sunday Sun. |
1M4.04 Kp2+ | 2M3.68 Kp2 | 3X1 Kp4 | ||||
4X1.28 Kp3- | 5C9.45 Kp1- | 6M1.39 Kp1 | 7C5.63 Kp1- | 8C4.24 Kp3- | 9M1.44 Kp2 | 10C2.79 Kp3 |
11C1.17 Kp1 | 12B4.55 Kp1- | 13B6.01 Kp3+ | 14Kp4+ | 15B2.97 Kp3- | 16Kp2+ | 17Kp2+ |
18Kp2 | 19Kp2+ | 20Kp1+ | 21Kp4 | 22Kp3+ | 23Kp3 | 24Kp2+ |
25Kp1+ | 26Kp1+ | 27C1.96 Kp2 | 28B4.67 Kp2 | 29C1.65 Kp4 | 30Kp2 | |
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) 2AR4392 (including CMEs) 113CH 31 HSS 17Growth of Cycle 25 987Incoming & Unnumbered Active Regions 224
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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 | 82.4 +4.2 |
| Last 30 days | 62.7 -52.5 |