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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Sunday Sun. |
1Kp2 | 2Kp3- | 3Kp2 | 4Kp5+ | |||
5Kp6- | 6A3.14 Kp4- | 7Kp3+ | 8A4.14 Kp4 | 9Kp4 | 10A2.86 Kp4+ | 11Kp3 |
12Kp3+ | 13Kp2 | 14Kp1+ | 15Kp1- | 16Kp1 | 17A7.69 Kp1- | 18Kp1 |
19Kp2- | 20Kp3 | 21Kp3- | 22Kp1 | 23Kp1 | 24A9.72 Kp2- | 25Kp1 |
26A1.57 Kp1- | 27Kp2+ | 28Kp1 | 29Kp2 | 30Kp1+ | ||
Latest news
Friday, 28 March 2025
X1.1 solar flare
Monday, 24 March 2025
Coronal hole faces Earth
Saturday, 22 March 2025
Strong G3 geomagnetic storm watch for 23 March
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Space weather facts
| Last X-flare | 2025/03/28 | X1.1 |
| Last M-flare | 2025/03/31 | M1.2 |
| Last geomagnetic storm | 2025/03/27 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2025 | 154.6 +17.6 |
| March 2025 | 127 -27.6 |
| Last 30 days | 127 -25.7 |