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. |
1C1.01 Kp1+ | 2Kp1- | 3Kp1- | 4Kp2+ | |||
5Kp1 | 6Kp1- | 7Kp1- | 8Kp1+ | 9Kp1- | 10Kp1- | 11Kp3+ |
12Kp1- | 13Kp1 | 14Kp0+ | 15Kp2+ | 16Kp2+ | 17Kp1- | 18Kp1- |
19Kp1 | 20Kp1- | 21Kp1 | 22Kp4- | 23Kp4- | 24B7.05 Kp4 | 25C2.21 Kp3 |
26C1.89 Kp2- | 27C2.47 Kp1+ | 28C3.26 Kp1+ | 29B2.98 Kp2+ | 30B3.61 Kp3+ | 31C1.53 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 |