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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Friday Fri. |
Saturday Sat. |
Sunday Sun. |
1Kp3- | 2B3.97 Kp0+ | 3B2.69 Kp1 | 4B6.06 Kp3+ | 5Kp5 | 6C2.37 Kp3 | |
7A8.88 Kp2+ | 8Kp2+ | 9Kp2- | 10Kp1+ | 11Kp3+ | 12A1.57 Kp1 | 13Kp1 |
14Kp3- | 15Kp3- | 16Kp3- | 17Kp3- | 18Kp2 | 19A1.57 Kp3- | 20Kp2- |
21Kp2- | 22Kp2 | 23A9.93 Kp4 | 24B1.44 Kp4+ | 25B9.93 Kp3+ | 26C7.2 Kp3 | 27Kp2 |
28B2.85 Kp1- | 29C3.01 Kp2- | 30C7.56 Kp1 | 31C1.03 Kp5+ | |||
Latest news
Saturday, 1 June 2024
Double impulsive X-class flares
Wednesday, 29 May 2024
X1.4 solar flare from sunspot region 3697
Monday, 27 May 2024
X2.9 solar flare, Welcome back 3664?
Latest forum messages
Filaments and prominences 177AR 3697 388Region 3697 2024/06/01 CMEs 117Aditya 10Unproven theories 662
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Space weather facts
| Last X-flare | 2024/06/01 | X1.03 |
| Last M-flare | 2024/06/04 | M1.6 |
| Last geomagnetic storm | 2024/05/17 | Kp6 (G2) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| April 2024 | 136.5 +31.6 |
| June 2024 | 196 +59.5 |
| Last 30 days | 154.5 +3.1 |