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- | 2Kp4 | 3Kp4- | 4Kp4 | 5Kp2+ | ||
6Kp3- | 7Kp1 | 8Kp1+ | 9Kp0+ | 10Kp2- | 11Kp6+ | 12Kp4- |
13Kp3 | 14Kp1+ | 15Kp3 | 16Kp2- | 17Kp1 | 18B1.33 Kp1- | 19Kp3 |
20Kp2- | 21Kp2 | 22Kp3- | 23Kp2- | 24Kp1 | 25Kp1- | 26Kp3- |
27Kp1 | 28Kp2 | 29Kp4+ | 30Kp4- | 31Kp3- | ||
Latest news
Wednesday, 15 May 2024
More X-flares!
Tuesday, 14 May 2024
X8.7 solar flare
Monday, 13 May 2024
M6.6 solar flare with earth-directed CME
Latest forum messages
Unproven theories 455Incoming Active Regions 358AR3685 27Dog bone asteroids 14What makes AR3684 magnetically distinct from AR3685? 1
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Space weather facts
| Last X-flare | 2024/05/15 | X2.9 |
| Last M-flare | 2024/05/16 | M1.0 |
| Last geomagnetic storm | 2024/05/16 | Kp6 (G2) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| April 2024 | 136.5 +31.6 |
| May 2024 | 156.6 +20.1 |
| Last 30 days | 177 +70.8 |