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. |
1B3.53 Kp6- | 2B1.21 Kp5+ | 3B1.88 Kp4 | 4B1.93 Kp4+ | 5Kp4+ | ||
6B3.14 Kp5 | 7B2.71 Kp3+ | 8B7.29 Kp4- | 9B2.71 Kp4- | 10Kp3+ | 11Kp4- | 12B3.14 Kp4- |
13Kp1+ | 14Kp2- | 15Kp3 | 16Kp3- | 17Kp1+ | 18Kp1 | 19Kp1- |
20B1.6 Kp1- | 21Kp5+ | 22B4.18 Kp4+ | 23Kp4 | 24Kp2+ | 25B3.56 Kp1+ | 26B5.26 Kp2- |
27C7.36 Kp6+ | 28C4.6 Kp5+ | 29B8.85 Kp4+ | 30B3.43 Kp4+ | 31C2.51 Kp5- | ||
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
Geminid Meteor Shower 27Coronal Hole 06 54Incoming & Unnumbered Active Regions 35Returning Carrington 14SDO Magnetogram 27
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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 | 128 +36.2 |
| Last 30 days | 108.4 +15.8 |