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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September 2002 |
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Sunday Sun. |
1C9.64 Kp4 | ||||||
2C3.34 Kp3+ | 3M1.51 Kp3+ | 4C3.67 Kp6+ | 5M1.24 Kp3+ | 6M1.32 Kp3- | 7C7.76 Kp7+ S2 | 8M2.2 Kp7+ S1 |
9M3.09 Kp4 | 10M4.27 Kp5- | 11M3.23 Kp5 | 12C5.9 Kp3+ | 13C4.13 Kp3+ | 14C6.5 Kp3 | 15M1.49 Kp2+ |
16M1.96 Kp3 | 17M1.27 Kp3 | 18C6.9 Kp4- | 19C6.75 Kp5- | 20M2.66 Kp2 | 21C4.37 Kp3- | 22C3.51 Kp3- |
23C2.38 Kp1 | 24C4.5 Kp1+ | 25C3.24 Kp1+ | 26C5.81 Kp3- | 27M2.67 Kp3 | 28C4.93 Kp2 | 29M3.84 Kp2- |
30M3.01 Kp5 | ||||||
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
Coronal Hole 85 2CMEs from 2025/10/03 47Unspecified geomagnetic activity 3204Incoming & Unnumbered Active Regions 2108MODELO MAGNETOSFERA 3
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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 |