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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Saturday Sat. |
Sunday Sun. |
1C1.44 Kp4+ | 2B5.02 Kp3- | 3B4.06 Kp2+ | ||||
4B5.01 Kp6- | 5B1.72 Kp3 | 6Kp2+ | 7B6.11 Kp3+ | 8B8.14 Kp1+ | 9B5.6 Kp1+ | 10B8.68 Kp2- |
11C1.55 Kp3 | 12B3.71 Kp2 | 13C1.08 Kp3- | 14C1.51 Kp2+ | 15C1.16 Kp0+ | 16Kp2- | 17B1.78 Kp4 |
18C1.51 Kp5- | 19B5.3 Kp4- | 20Kp2 | 21B7.82 Kp1 | 22B6.47 Kp1 | 23C1.88 Kp5 | 24B4.07 Kp5 |
25Kp3+ | 26Kp3- | 27Kp2 | 28Kp1+ | 29B6.17 Kp2 | 30C1.03 Kp4 | |
Latest news
Friday, 7 February 2025
Coronal hole faces Earth, Minor G1 geomagnetic storm watch
Wednesday, 29 January 2025
Double coronal holes face Earth
Thursday, 16 January 2025
Coronal hole faces Earth
Latest forum messages
SIGNIFICANT IMPULSIVE SOLAR MICROWAVE BURST ~ @ 02:10 UT Feb 23 1Growth of Cycle 25 804Ask your obscure/"stupid" space weather questions. 262Unexplained proton activity 51Incoming & Unnumbered Active Regions 1556
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Space weather facts
| Last X-flare | 2025/01/04 | X1.85 |
| Last M-flare | 2025/02/23 | M4.9 |
| Last geomagnetic storm | 2025/02/19 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| January 2025 | 137 -17.5 |
| February 2025 | 154.3 +17.3 |
| Last 30 days | 150.6 -11.5 |