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. |
1Kp2- | 2B6.81 Kp3 | 3C2.47 Kp3+ | 4B5.99 Kp4+ | 5B3.97 Kp4- | 6Kp4 | |
7Kp6+ | 8Kp6 | 9Kp6 | 10Kp4+ | 11C1.86 Kp7 | 12Kp4+ | 13B8.83 Kp4- |
14C1.33 Kp5- | 15C1.95 Kp4 | 16M1.13 Kp3+ | 17M1.63 Kp4+ | 18C3.75 Kp3+ | 19C3.52 Kp5- | 20M3.13 Kp7 |
21M1.27 Kp3+ | 22B6.4 Kp4- | 23C4.68 Kp4- | 24C4.8 Kp3- | 25C1.67 Kp3 | 26C2.15 Kp2 | 27M2.79 Kp1+ |
28X1.09 Kp2- | 29M4.24 Kp3- | 30M1.86 Kp1- | ||||
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 |