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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1Kp5+ | ||||||
2Kp5 | 3Kp3 | 4Kp3 | 5Kp4 | 6Kp3+ | 7Kp2+ | 8Kp3- |
9Kp3+ | 10Kp2 | 11Kp2 | 12Kp2 | 13Kp3- | 14Kp2 | 15Kp3 |
16Kp4 | 17Kp4- | 18A2.43 Kp3 | 19Kp1+ | 20Kp1 | 21Kp2+ | 22Kp2+ |
23A1.57 Kp1+ | 24Kp4- | 25Kp2 | 26Kp2+ | 27Kp5+ | 28Kp5- | 29Kp4- |
30Kp4- | ||||||
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 |