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. |
1C2.93 Kp1+ | 2C2.69 Kp1+ | 3C3.65 Kp3 | 4M4.65 Kp3 | |||
5M2.32 Kp3 | 6X3.03 Kp2+ | 7X2.6 Kp3 | 8M9.61 Kp2- | 9M3.86 Kp6- | 10M1.59 Kp6- | 11C9.51 Kp4- |
12M1.43 Kp5- | 13C4.16 Kp5- | 14M1.32 Kp2- | 15C6.61 Kp2 | 16M1.34 Kp1 | 17C2.07 Kp5+ | 18C5.48 Kp2 |
19C9.96 Kp1 | 20M1.37 Kp3 | 21M2.68 Kp2 | 22X2.14 Kp2 | 23M2.85 Kp1- S1 | 24X2.74 Kp2- S1 | 25X1.07 Kp2 S1 |
26M5.85 Kp6+ S1 | 27C9.22 Kp6- S1 | 28M1.72 Kp5- | 29C3.89 Kp6- | 30M1.46 Kp3 | ||
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 |