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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August 2002 |
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Monday Mon. |
Tuesday Tues. |
Wednesday Wed. |
Thursday Thurs. |
Friday Fri. |
Saturday Sat. |
Sunday Sun. |
1C8.67 Kp5+ | 2M1.43 Kp6 | 3X1.53 Kp5- | 4M9.5 Kp4+ | |||
5M1.51 Kp2 | 6M1.19 Kp2 | 7M1.66 Kp2 | 8C2.76 Kp3 | 9C2.91 Kp4 | 10C2.9 Kp5- | 11M1.36 Kp4+ |
12C3.89 Kp3 | 13M2.67 Kp3 | 14M3.4 Kp4- S1 | 15M1.53 Kp5+ | 16M7.49 Kp4+ | 17M5 Kp3+ | 18M3.4 Kp5+ |
19M4.44 Kp5 | 20M7.14 Kp6+ | 21X1.43 Kp5+ | 22M7.76 Kp3 S1 | 23M2.5 Kp3- S1 | 24X4.54 Kp2 S2 | 25M2.81 Kp2+ S2 |
26M2.57 Kp5- S1 | 27M1.29 Kp4- | 28M6.64 Kp2+ | 29M4.71 Kp3 | 30X2.23 Kp3 | 31M1.31 Kp3+ | |
Latest news
CME arrival, G3 storm watch
X1.1 solar flare
Coronal hole faces Earth
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Latest alerts
Thursday, 24 April 2025
07:27 UTC - Hemispheric Power Index
The OVATION model predicts the Hemispheric Power Index to reach 50GW at 08:15 UTC
07:15 UTC - Geomagnetic activity
Active geomagnetic conditions (Kp4) Threshold Reached: 07:03 UTC
06:27 UTC - Coronal mass ejection arrival
CME impact detected - Current Solar Wind Speed 644km/sec - IMF: Bt (strength): 15nT & Bz: 0nT (South).
Space weather facts
| Last X-flare | 2025/03/28 | X1.1 |
| Last M-flare | 2025/04/22 | M1.3 |
| Last geomagnetic storm | 2025/04/21 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2025 | 134.2 -20.4 |
| April 2025 | 122.8 -11.4 |
| Last 30 days | 117.7 -15.6 |