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.
April 1996 |
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Monday Mon. |
Tuesday Tues. |
Wednesday Wed. |
Thursday Thurs. |
Friday Fri. |
Saturday Sat. |
Sunday Sun. |
1Kp3 | 2Kp2+ | 3Kp3 | 4Kp4 | 5Kp3 | 6Kp1+ | 7Kp1- |
8Kp3 | 9Kp3 | 10Kp3 | 11Kp3+ | 12Kp5- | 13Kp4 | 14Kp7 |
15Kp5 | 16Kp3+ | 17Kp5+ | 18Kp5+ | 19Kp5 | 20Kp4 | 21Kp4- |
22Kp4- | 23Kp3+ | 24Kp2+ | 25Kp2+ | 26Kp2 | 27Kp3+ | 28Kp2 |
29Kp2- | 30Kp2 | |||||
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Space weather facts
| Last X-flare | 2024/05/15 | X2.9 |
| Last M-flare | 2024/05/21 | M1.9 |
| 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 |
| May 2024 | 155.9 +19.4 |
| Last 30 days | 158.9 +32.9 |