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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1C8.66 Kp5- | 2X1.13 Kp3+ | 3C7.69 Kp4 | 4C3.11 Kp3- | |||
5B2.49 Kp1+ | 6Kp1 | 7B7.95 Kp0+ | 8C2.43 Kp1 | 9B4.62 Kp4- | 10C1.15 Kp4+ | 11C1.59 Kp5- |
12B6.5 Kp3+ | 13C2.49 Kp2+ | 14C1.46 Kp2- | 15B2.8 Kp1 | 16C3.52 Kp3+ | 17B5.88 Kp2- | 18B2.32 Kp2- |
19B5.96 Kp4- | 20B2.11 Kp4 | 21B6.35 Kp3 | 22C5.06 Kp3- | 23C1.38 Kp0+ | 24B8.63 Kp2+ S1 | 25C1.83 Kp3- |
26B3.79 Kp3+ | 27B5.42 Kp5+ | 28C1.73 Kp4+ | 29C1.67 Kp3+ | 30B3.9 Kp3 | 31B7.08 Kp3+ | |
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Minor G1 geomagnetic storm (Kp5) Threshold Reached: 21:36 UTC
Severe G4 geomagnetic storm (Kp8) Threshold Reached: 20:55 UTC
Strong G3 geomagnetic storm (Kp7) Threshold Reached: 19:25 UTC
Moderate G2 geomagnetic storm (Kp6) Threshold Reached: 18:38 UTC
Minor G1 geomagnetic storm (Kp5) Threshold Reached: 18:28 UTC
Last X-flare | 2025/03/28 | X1.1 |
Last M-flare | 2025/04/15 | M1.2 |
Last geomagnetic storm | 2025/04/15 | Kp6+ (G2) |
Spotless days | |
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Last spotless day | 2022/06/08 |
Monthly mean Sunspot Number | |
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March 2025 | 134.2 -20.4 |
April 2025 | 124.1 -10.1 |
Last 30 days | 122.5 -17.8 |