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. |
1C6.5 Kp2 | 2M4.35 Kp2+ | |||||
3M3.63 Kp4+ | 4M5.3 Kp4+ | 5M8.68 Kp3 | 6M1.16 Kp2 | 7M1.75 Kp3- | 8M1.79 Kp3 | 9X1.36 Kp2- |
10M1.24 Kp1+ | 11M6.53 Kp3+ | 12M1.43 Kp4- | 13M1.01 Kp5- | 14M5.29 Kp3+ | 15M2.14 Kp4+ S1 | 16M8.08 Kp3- |
17X1.16 Kp3- | 18M2.08 Kp4+ | 19M1.08 Kp3+ | 20M2.21 Kp2 | 21M1.1 Kp2+ | 22M1.16 Kp3+ | 23M1.62 Kp6 |
24X3.72 Kp4 S3 | 25X1.09 Kp7+ S4 | 26M2.69 Kp6- S3 | 27M1.47 Kp4 S2 | 28M4.75 Kp4- S2 | 29M2.63 Kp5+ S1 | 30M1.72 Kp6- S1 |
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) 39AR4392 (including CMEs) 120CH 31 HSS 26Filaments and prominences 516Growth of Cycle 25 987
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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 | 62.9 -47.9 |