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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Tuesday Tues. |
Wednesday Wed. |
Thursday Thurs. |
Friday Fri. |
Saturday Sat. |
Sunday Sun. |
1M1.63 Kp3 S1 | 2M1.41 Kp2- | 3M7.15 Kp4+ | 4M7.81 Kp3 | 5M5.72 Kp3 | 6X1.34 Kp1- | 7X2.91 Kp8 S2 |
8M3.31 Kp9- S2 | 9X1.28 Kp9- S1 | 10X3.67 Kp9- S2 | 11C1.57 Kp5 S1 | 12C1.12 Kp5- S1 | 13B9.43 Kp2+ | 14C1.72 Kp4 |
15C2.27 Kp1- | 16C2.13 Kp3- | 17B9.1 Kp3 | 18C5.18 Kp1 | 19C7.06 Kp2+ | 20B3.21 Kp4 | 21B8.82 Kp4 |
22C1.58 Kp3 | 23C9.34 Kp2+ | 24M1.41 Kp3 | 25C3.83 Kp4+ | 26B7.03 Kp4- | 27C2.92 Kp4- | 28B7.83 Kp4- |
29C4.66 Kp4 | 30C6.94 Kp4 | |||||
Latest news
Monday, 19 January 2026
CME impact! S4 solar radiation storm
Sunday, 18 January 2026
X1.9 solar flare with earth-directed CME
Wednesday, 31 December 2025
Happy New Year! Celebrate with an M7.1 solar flare!
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Sunspot Latitudes at or near Solar Maximum 112AR 4351 12Ask your obscure/"stupid" space weather questions. 491X1.9 CME 1331Anomalous sunspots on the sun ? 2
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Space weather facts
| Last X-flare | 2026/01/18 | X1.9 |
| Last M-flare | 2026/01/21 | M3.4 |
| Last geomagnetic storm | 2026/01/22 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
| January 2026 | 117.9 -6.1 |
| Last 30 days | 121.4 +11.9 |