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.
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1C1.3 Kp3+ | 2M1.5 Kp3- | 3C2.3 Kp2- | 4C2.2 Kp4- | 5C1.8 G2 | 6M2.0 G1 | 7C3.1 Kp4- |
8G1 | 9B4.2 G1 | 10B3.9 G1 | 11B3.9 G2 | 12B2.2 G1 | 13B4.4 G1 | 14C2.0 G1 |
15B5.6 G1 | 16C1.0 Kp3- | 17C8.6 Kp3- | 18C8.6 Kp2 | 19C9.3 Kp1- | 20C2.6 G1 | 21C4.5 Kp4+ |
22C5.5 Kp4- | 23C6.9 Kp2+ | 24C1.8 Kp3- | 25C5.3 Kp2+ | 26M1.5 Kp3- | 27Kp4+ | 28B6.6 Kp4- |
29B8.9 Kp3 | 30C1.0 Kp3 | 31M1.0 G1 | ||||
Latest news
Friday, 29 May 2020 - 12:01 UTC
First M-class solar flare of a Solar Cycle 25 region!
Monday, 4 May 2020 - 14:22 UTC
Time flies... Roll on Solar Cycle 25...?
Tuesday, 21 April 2020 - 14:06 UTC
G1 geomagnetic storm, Coronal hole faces Earth
Latest forum messages
- Have there been changes in the climate produced by the solar minimum? 4
- The M1.1 Flare has me very excited 1
- Did the historic solar minimum cause the pandemic? 140
- Keep track of the number of spotless days 6
- New forum and topics about alternative science 10
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Space weather facts
| Last X-flare: | 2017/09/10 | X8.2 |
| Last M-flare: | 2020/05/29 | M1.1 |
| Last geomagnetic storm: | 2020/04/20 | Kp5 (G1) |
| Number of spotless days in 2020: | 122 | |
| Current stretch spotless days: | 30 | |