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. |
1M1.1 Kp7- | 2C3.1 Kp5+ | 3C4 Kp3 | ||||
4C8.1 Kp3- | 5M1.5 Kp3+ | 6M2.3 Kp3 | 7C8.1 Kp2 | 8M5.49 Kp2 | 9M1.5 Kp1- | 10M2.3 Kp1+ |
11C4.4 Kp1 | 12C9.1 Kp3+ | 13C9.3 Kp3- | 14X2.87 Kp4+ | 15M6.97 Kp3+ S1 | 16C8.3 Kp4 S1 | 17M1.1 Kp5+ |
18C6.5 Kp5+ | 19C7.3 Kp4- | 20C8.2 Kp4 | 21M4.2 Kp3- | 22M3.33 Kp1+ | 23C3.1 Kp3- | 24M2.9 Kp3 |
25C4.7 Kp1+ | 26C4.4 Kp2- | 27C1.9 Kp2 | 28C2.1 Kp2- | 29C9.7 Kp2+ | 30C6.1 Kp2+ | 31X5.01 Kp1+ |
Latest news
Sunday, 1 February 2026
Complex sunspot region 4366
Monday, 19 January 2026
CME impact! S4 solar radiation storm
Sunday, 18 January 2026
X1.9 solar flare with earth-directed CME
Latest forum messages
Incoming & Unnumbered Active Regions 179Comet C/2026 A1 (MAPS) for the southern hemisphere 10Solar cycle 25, solar maximum, is it over? 45Space Weather Memes 801Filaments and prominences 492
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/02/16 | M2.4 |
| Last geomagnetic storm | 2026/02/22 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 2 days |
| 2026 | 2 days (4%) |
| Current stretch | 3 days |
| Monthly mean Sunspot Number | |
|---|---|
| January 2026 | 112.6 -11.4 |
| February 2026 | 82.3 -30.3 |
| Last 30 days | 91 -31 |