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. |
1X1.3 Kp6 S2 | 2M2.07 Kp7- S3 | 3M1.24 Kp7 S2 | 4C4.45 Kp4+ S1 | 5C5.28 Kp3 S1 | 6M4.06 Kp3 | 7C3.39 Kp2 |
8C6.25 Kp5- | 9M2.14 Kp4+ | 10C4.96 Kp2+ | 11C6.48 Kp5+ | 12M1.09 Kp6 | 13C7.63 Kp3 | 14M1.15 Kp4 |
15C5.38 Kp4- | 16C8.63 Kp3 | 17M1.64 Kp2+ | 18M1.22 Kp2- | 19X2.34 Kp3+ S1 | 20M1.05 Kp3+ | 21M3.62 Kp8- |
22X1.72 Kp7+ S1 | 23M9.37 Kp5+ S1 | 24C9.01 Kp1- | 25X1.97 Kp3 | 26M2.92 Kp2 | 27M1.3 Kp3- | 28M2.2 Kp7- |
29M5.15 Kp3+ | 30M1.31 Kp3 | 31M4.68 Kp4+ | ||||
Latest news
X1.1 solar flare
Coronal hole faces Earth
Strong G3 geomagnetic storm watch for 23 March
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Latest alerts
10:39 UTC - Solar flare
Moderate M1.52 flare from sunspot region 4055
10:24 UTC - Radio Blackout
Minor R1 radio blackout in progress (≥M1 - current: M1.52)
Monday, 14 April 2025
23:15 UTC - Geomagnetic activity
Active geomagnetic conditions (Kp4) Threshold Reached: 23:01 UTC
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)
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 | 128.8 -5.4 |
| Last 30 days | 129.1 -15.1 |