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. |
1B1.7 Kp2 | 2Kp3 | |||||
3Kp2 | 4B1.7 Kp1+ | 5B1.2 Kp1- | 6B3.5 Kp1+ | 7M3.9 Kp1 | 8C8.7 Kp1+ | 9C4 Kp1+ |
10B1.9 Kp2 | 11B3.5 Kp2- | 12C1.5 Kp7 | 13B3.5 Kp2 | 14B4.9 Kp2 | 15Kp3+ | 16Kp2- |
17B4.2 Kp2 | 18C1 Kp4- | 19B1.3 Kp2+ | 20B1.3 Kp5+ | 21C4.8 Kp2+ | 22M1.4 Kp2 | 23M1.2 Kp1+ |
24B4.6 Kp1+ | 25B5.2 Kp1+ | 26C3.9 Kp5- | 27C7.6 Kp4+ | 28C9.5 Kp1- | 29C1.7 Kp2+ S1 | 30B3.6 Kp2+ |
31B7.8 Kp1- | ||||||
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 |