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.
June 1996 |
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1Kp1+ | 2Kp2- | |||||
3Kp2- | 4Kp2- | 5Kp3- | 6Kp4+ | 7Kp2- | 8Kp2+ | 9Kp2- |
10Kp2- | 11Kp2- | 12Kp1+ | 13Kp1 | 14Kp1 | 15Kp3- | 16Kp2 |
17Kp3- | 18Kp4- | 19Kp4+ | 20Kp2+ | 21Kp2 | 22Kp1+ | 23Kp2 |
24Kp3- | 25Kp2 | 26Kp2- | 27Kp3 | 28Kp3- | 29Kp3 | 30Kp2- |
Latest news
Tuesday, 15 April 2025
CME arrival, G3 storm watch
Friday, 28 March 2025
X1.1 solar flare
Monday, 24 March 2025
Coronal hole faces Earth
Latest forum messages
Incoming & Unnumbered Active Regions 1767Coronal holes 85AR4064 182025/04/12-13 Filament CMEs 2025/04/16 G3 Watch 545Line chart of indicators on the auror video, animated graph trace 23
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Space weather facts
| Last X-flare | 2025/03/28 | X1.1 |
| Last M-flare | 2025/04/18 | M4.4 |
| Last geomagnetic storm | 2025/04/16 | Kp8- (G4) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2025 | 134.2 -20.4 |
| April 2025 | 120.1 -14.1 |
| Last 30 days | 116.4 -25.9 |