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. |
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Sunday Sun. |
1Kp1+ | 2Kp3 | 3Kp3+ | 4Kp1+ | 5Kp1- | ||
6Kp1- | 7Kp6+ | 8Kp6+ | 9Kp4- | 10Kp4 | 11Kp3 | 12B3.17 Kp2+ |
13C1.04 Kp2+ | 14B1.59 Kp3 | 15Kp3+ | 16B5 Kp4+ | 17B9.16 Kp2+ | 18B1.29 Kp2 | 19Kp2+ |
20Kp4- | 21B2.09 Kp5 | 22Kp3 | 23B2.02 Kp3- | 24Kp3+ | 25B1.93 Kp3+ | 26Kp1 |
27B3.74 Kp2 | 28Kp3+ | 29Kp2 | 30Kp4 | |||
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
Latest forum messages
Unspecified geomagnetic activity 2144Aurora photography hints for those of us with smartphones 52AR4048 32AR4046 133Filaments and prominences 749
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Space weather facts
| Last X-flare | 2025/03/28 | X1.1 |
| Last M-flare | 2025/03/30 | M1.0 |
| 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 | 127.5 -27.1 |
| Last 30 days | 127.5 -25.1 |