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. |
1Kp5 | 2Kp4+ | 3Kp4+ | 4B1.74 Kp3+ | 5Kp4- | ||
6B1.6 Kp4- | 7Kp3- | 8A9.38 Kp2- | 9C1.89 Kp2+ | 10Kp2+ | 11Kp3- | 12B1.6 Kp2- |
13B2.06 Kp2+ | 14Kp1- | 15B2.71 Kp1+ | 16Kp3+ | 17B1.76 Kp4+ | 18B3.82 Kp4+ | 19B3.78 Kp3+ |
20C1.02 Kp3+ | 21B3.8 Kp2 | 22C5.92 Kp4- | 23C1.88 Kp3+ | 24C1.52 Kp5- | 25Kp3- | 26B4.01 Kp1 |
27C1.28 Kp3 | 28C1.05 Kp3- | |||||
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 |