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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1Kp2+ | 2Kp3- | 3Kp4- | 4B4.2 Kp2 | 5Kp2- | ||
6B2.5 Kp1 | 7B4.5 Kp2 | 8Kp4- | 9B1.6 Kp2- | 10Kp2+ | 11Kp3+ | 12Kp3- |
13Kp2- | 14Kp3+ | 15Kp3 | 16Kp2 | 17Kp1+ | 18A1.1 Kp2- | 19Kp1- |
20Kp5- | 21Kp3+ | 22Kp3 | 23A7.2 Kp2- | 24Kp3- | 25Kp2+ | 26Kp3- |
27Kp3- | 28Kp3- | 29Kp1 | 30B1.3 Kp1 | |||
Latest news
Monday, 11 November 2024
Coronal hole faces Earth
Friday, 1 November 2024
X2.0 solar flare
Wednesday, 9 October 2024
X1.8 solar flare, severe geomagnetic storm watch
Latest forum messages
AR 13901 88Incoming & Unnumbered Active Regions 1245Sunspot Latitudes at or near Solar Maximum 76The Rotations of AR 13780 and AR 13902 1Space Weather Memes 580
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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 |