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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1B1.6 Kp4- | 2B1.43 Kp5- | |||||
3B1.59 Kp3- | 4B2.88 Kp2 | 5Kp3+ | 6Kp4 | 7Kp4+ | 8B4.34 Kp2 | 9Kp1- |
10Kp1- | 11Kp1- | 12Kp1 | 13Kp1 | 14Kp2+ | 15Kp2 | 16Kp1+ |
17Kp2 | 18Kp3 | 19Kp2- | 20Kp4 | 21Kp4- | 22Kp4- | 23Kp4+ |
24Kp4- | 25Kp3- | 26Kp2 | 27Kp5 | 28Kp5 | 29Kp5 | 30Kp4- |
Latest news
Monday, 30 March 2026
X1.5 solar flare
Tuesday, 17 March 2026
M2.7 solar flare, CME arrival possible
Sunday, 1 February 2026
Complex sunspot region 4366
Latest forum messages
Comet C/2026 A1 (MAPS) for the southern hemisphere 57Artemis 2 Live 4AR4409 181Solar Demon not being updated 9Current Farside Activity 440
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Space weather facts
| Last X-flare | 2026/03/30 | X1.5 |
| Last M-flare | 2026/04/04 | M1.0 |
| Last geomagnetic storm | 2026/04/03 | Kp7- (G3) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2026 | 85.9 +7.7 |
| April 2026 | 122.8 +36.9 |
| Last 30 days | 99.9 +42.1 |
This day in history*
Aurora on this day in history
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