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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Friday Fri. |
Saturday Sat. |
Sunday Sun. |
1C1.88 Kp3+ | 2M2.17 Kp3- S1 | 3C3.37 Kp2- | 4C3.28 Kp4- | 5C2.68 Kp6- | 6M3 Kp5- | 7C4.43 Kp4- |
8Kp5+ | 9B6.09 Kp5 | 10B5.71 Kp5+ | 11B5.62 Kp6- | 12B3.19 Kp5- | 13B6.29 Kp5- | 14C2.87 Kp5 |
15B8.09 Kp5- | 16C1.44 Kp3- | 17M1.24 Kp3- | 18M1.24 Kp2 | 19M1.34 Kp1- | 20C3.72 Kp5- | 21C6.52 Kp4+ |
22C7.89 Kp4- | 23C9.87 Kp2+ | 24C1.82 Kp3- | 25C7.64 Kp2+ | 26M2.21 Kp3- | 27Kp4+ | 28B9.56 Kp4- |
29C1.28 Kp3 | 30C1.51 Kp3 | 31M1.43 Kp5- | ||||
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!
Latest forum messages
X1.9 CME 1327Do the high-resolution sunspot counts point to more complex sunspots? 8AR 14340 19AR 4345 31Unspecified geomagnetic activity 62
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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 | 114.4 -9.6 |
| Last 30 days | 118.1 +9.1 |