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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Tuesday Tues. |
Wednesday Wed. |
Thursday Thurs. |
Friday Fri. |
Saturday Sat. |
Sunday Sun. |
1C9.47 Kp3- | 2M1.16 Kp2- | 3C3.66 Kp4- | 4B5.77 Kp1- | |||
5C3.83 Kp3- | 6B8.12 Kp2 | 7C1.96 Kp2- | 8B3.82 Kp1+ | 9B5.54 Kp2+ | 10B2.08 Kp1+ | 11B1.82 Kp5 |
12Kp2+ | 13B5.13 Kp3- | 14B2.42 Kp2+ | 15B3.76 Kp2- | 16Kp5 | 17B1.66 Kp4 | 18B3.76 Kp3+ |
19B6.89 Kp2 | 20B2.91 Kp1 | 21Kp2- | 22B1.82 Kp2+ | 23Kp2+ | 24Kp3- | 25Kp3+ |
26B1.52 Kp2+ | 27B3.42 Kp2- | 28Kp2- | 29Kp2 | 30Kp2- | ||
Latest news
Thursday, 11 September 2025
Coronal hole faces Earth
Sunday, 31 August 2025
M2.7 solar flare with earth-directed CME!
Tuesday, 5 August 2025
M4.4 solar flare from sunspot region 4168
Latest forum messages
Comet C/2025 A6 (Lemmon) 72CMEs from 2025/10/03 48Coronal Hole 85 2Unspecified geomagnetic activity 3204Incoming & Unnumbered Active Regions 2108
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Space weather facts
| Last X-flare | 2025/06/19 | X1.9 |
| Last M-flare | 2025/10/03 | M1.2 |
| Last geomagnetic storm | 2025/10/03 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| September 2025 | 129.8 -3.7 |
| October 2025 | 140.1 +10.3 |
| Last 30 days | 131.3 -1.2 |