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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1Kp3- | 2B3.97 Kp0+ | 3B2.69 Kp1 | 4B6.06 Kp3+ | 5Kp5 | 6C2.37 Kp3 | |
7A8.88 Kp2+ | 8Kp2+ | 9Kp2- | 10Kp1+ | 11Kp3+ | 12A1.57 Kp1 | 13Kp1 |
14Kp3- | 15Kp3- | 16Kp3- | 17Kp3- | 18Kp2 | 19A1.57 Kp3- | 20Kp2- |
21Kp2- | 22Kp2 | 23A9.93 Kp4 | 24B1.44 Kp4+ | 25B9.93 Kp3+ | 26C7.2 Kp3 | 27Kp2 |
28B2.85 Kp1- | 29C3.01 Kp2- | 30C7.56 Kp1 | 31C1.03 Kp5+ | |||
Latest news
Thursday, 21 November 2024
Major far side eruption, S1 radiation storm
Monday, 11 November 2024
Coronal hole faces Earth
Friday, 1 November 2024
X2.0 solar flare
Latest forum messages
Filaments and prominences 517AR 13901 108Incoming & Unnumbered Active Regions 1246Sunspot Latitudes at or near Solar Maximum 76The Rotations of AR 13780 and AR 13902 1
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Space weather facts
| Last X-flare | 2024/11/06 | X2.39 |
| Last M-flare | 2024/11/20 | M1.1 |
| Last geomagnetic storm | 2024/11/10 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| October 2024 | 166.4 +25 |
| November 2024 | 142.7 -23.8 |
| Last 30 days | 155.2 +4.4 |