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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Sunday Sun. |
1B5.69 Kp2+ S2 | 2C2.14 Kp8- S1 | 3C2.57 Kp3+ | 4C3.64 Kp1- | 5B7.33 Kp0+ | 6C1.59 Kp1+ | |
7C8.92 Kp3- | 8C1.28 Kp6- | 9M4.06 Kp5+ | 10C2.33 Kp4- | 11M2.22 Kp2 | 12C7.78 Kp2+ | 13M2.43 Kp1+ |
14M1.14 Kp4+ | 15M2.57 Kp4+ | 16M1.28 Kp4- | 17M1.83 Kp3 | 18M1.21 Kp2- | 19C4.12 Kp1- | 20C4.12 Kp1 |
21C3.87 Kp1 | 22M6.08 Kp2 | 23M3.95 Kp2+ | 24X1.34 Kp1 | 25X3.05 Kp1 | 26M4.47 Kp1 | 27M5.1 Kp1 |
28X1.47 Kp0+ | 29X3.37 Kp3- | 30C2.14 Kp4 | 31M2.81 Kp2+ | |||
Latest news
X1.1 solar flare
Coronal hole faces Earth
Strong G3 geomagnetic storm watch for 23 March
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Latest alerts
07:09 UTC - Solar flare
Moderate M4.28 flare from sunspot region 4055
06:48 UTC - Radio Blackout
Minor R1 radio blackout in progress (≥M1 - current: M1.53)
06:24 UTC - Solar flare
Moderate M1.49 flare from sunspot region 4055
06:06 UTC - Radio Blackout
Minor R1 radio blackout in progress (≥M1 - current: M1.16)
04:45 UTC - Geomagnetic activity
Active geomagnetic conditions (Kp4) Threshold Reached: 04:29 UTC
Space weather facts
| Last X-flare | 2025/03/28 | X1.1 |
| Last M-flare | 2025/04/14 | M4.2 |
| Last geomagnetic storm | 2025/04/06 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2025 | 134.2 -20.4 |
| April 2025 | 132.1 -2.1 |
| Last 30 days | 132.4 -10.7 |