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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Monday Mon. |
Tuesday Tues. |
Wednesday Wed. |
Thursday Thurs. |
Friday Fri. |
Saturday Sat. |
Sunday Sun. |
1M1.2 Kp8 | 2M1.1 Kp5- | 3X1.2 Kp3+ | 4X1.85 Kp5+ S1 | 5M4.1 Kp4+ S1 | ||
6M4.87 Kp4- | 7M1.1 Kp3+ | 8C9.8 Kp4- | 9M1.1 Kp4- | 10C9 Kp4 | 11C2.8 Kp3 | 12C4.3 Kp2+ |
13C8.1 Kp4 | 14C6.2 Kp3 | 15C6.2 Kp4- | 16C4.4 Kp4- | 17M7.4 Kp4 | 18M1.7 Kp2+ | 19M2.4 Kp4- |
20C6.3 Kp4+ | 21M3.3 Kp3 | 22M1.3 Kp3 | 23C9.1 Kp4- | 24M2.7 Kp2+ | 25C6.5 Kp1 | 26C4.5 Kp1- |
27M2.6 Kp3- | 28M1.71 Kp4- | 29M1 Kp2 | 30C8 Kp3- | 31M6.76 Kp3- | ||
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 | 2025/03/30 | M1.5 |
| 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 -24.7 |