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. |
1C3.11 Kp5+ S3 | 2C1.04 Kp5+ S1 | 3B4.89 Kp4+ | 4B7.17 Kp2- | |||
5C1.18 Kp2- | 6C1.04 Kp2+ | 7M3.37 Kp6- | 8C6.46 Kp4+ | 9C2.3 Kp4 | 10M1.13 Kp3+ | 11C2.59 Kp3 |
12C3.17 Kp3 | 13C1.74 Kp2 | 14C2.3 Kp2+ | 15C3.8 Kp3- | 16C3.86 Kp2- | 17M1.3 Kp3- | 18M3.44 Kp3+ |
19M1.03 Kp7- | 20M1.07 Kp5 | 21C1.86 Kp5- | 22C2.24 Kp4+ | 23C1.53 Kp4 | 24C1.99 Kp3+ | 25C3.17 Kp4 |
26C2.97 Kp2 | 27B5.86 Kp5- | 28C3.29 Kp3 | 29C1.43 Kp3+ | 30B7.14 Kp3- | 31B9.27 Kp3+ | |
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
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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 | 2026/03/21 | Kp7 (G3) |
| 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 | 76.1 -2.1 |
| Last 30 days | 65.3 -33.8 |