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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December 1998 |
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Monday Mon. |
Tuesday Tues. |
Wednesday Wed. |
Thursday Thurs. |
Friday Fri. |
Saturday Sat. |
Sunday Sun. |
1C7.3 Kp3+ | 2C1.86 Kp2 | 3C2.96 Kp3+ | 4C2.63 Kp3+ | 5C2.14 Kp4- | 6C2.36 Kp2+ | |
7C5.69 Kp3- | 8C8.19 Kp2- | 9C8.51 Kp3+ | 10C2.03 Kp3+ | 11C4.86 Kp5+ | 12C4.39 Kp3+ | 13C7.93 Kp1+ |
14M1.06 Kp2 | 15C1.93 Kp3 | 16C7.81 Kp3+ | 17M4.59 Kp0+ | 18X1.15 Kp1+ | 19C7.97 Kp4- | 20M2.63 Kp3 |
21C8.01 Kp1+ | 22C9.86 Kp3- | 23M3.34 Kp2+ | 24M2.49 Kp1+ | 25M1.83 Kp4 | 26M1.13 Kp4 | 27C5.26 Kp2 |
28M4.47 Kp4- | 29C7.33 Kp5 | 30M1.47 Kp3- | 31C7.07 Kp2- | |||
Latest news
Sunday, 7 December 2025
M8.1 solar flare with earth-directed CME
Monday, 1 December 2025
X1.9 solar flare, Coronal hole faces Earth
Friday, 14 November 2025
X4.0 solar flare
Latest forum messages
Coronal Hole 06 58Geminid Meteor Shower 29Incoming & Unnumbered Active Regions 39Current Farside Activity 254Returning Carrington 14
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Space weather facts
| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/12 | M1.1 |
| Last geomagnetic storm | 2025/12/12 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 125.7 +33.9 |
| Last 30 days | 109.3 +18.1 |