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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Thursday Thurs. |
Friday Fri. |
Saturday Sat. |
Sunday Sun. |
1B4.24 Kp1+ | ||||||
2Kp1 | 3Kp4- | 4Kp4+ | 5Kp2- | 6Kp2- | 7C2.77 Kp2 | 8C2.57 Kp2- |
9C2.49 Kp0+ | 10M1.17 Kp3+ | 11C1.13 Kp5 | 12Kp2+ | 13Kp3- | 14B1.35 Kp5+ | 15B3.84 Kp4+ |
16B4.21 Kp1+ | 17Kp1+ | 18B2.79 Kp1- | 19Kp1- | 20Kp4 | 21Kp4- | 22Kp1 |
23Kp1+ | 24Kp1 | 25Kp1- | 26Kp4- | 27Kp3 | 28B2.06 Kp2 | 29Kp4- |
30Kp3 | 31Kp2 | |||||
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 |