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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Saturday Sat. |
Sunday Sun. |
1M4.8 Kp3- | 2M2.0 Kp2 | |||||
3C7.0 Kp3+ | 4M1.3 Kp3 | 5C2.6 Kp4 | 6M1.0 Kp3 | 7C8.2 Kp3- | 8M3.4 Kp3+ | 9C6.8 Kp2- |
10C8.6 Kp2- | 11X2.8 Kp2- | 12M5.6 Kp3+ | 13X6.2 Kp2 | 14M4.4 Kp2 | 15C9.4 Kp3 | 16M1.5 Kp3+ |
17C2.0 Kp4- | 18C4.8 Kp4- | 19M1.3 Kp3 | 20C8.7 Kp2 | 21C4.0 Kp4 | 22C3.5 Kp3 | 23M1.2 Kp3- |
24M3.5 G1 | 25M1.2 Kp3 | 26M7.14 Kp2+ | 27M2.3 Kp3- | 28X3.4 Kp2 | 29M9.3 Kp4 | 30C6.1 G1 |
31C6.7 Kp4 | ||||||
Latest news
Sunday, 31 May 2020 - 14:53 UTC
Have we passed solar minimum?
Saturday, 30 May 2020 - 13:05 UTC
Yesterday's M-flare producing active region rotates into view
Friday, 29 May 2020 - 12:01 UTC
First M-class solar flare of a Solar Cycle 25 region!
Latest forum messages
- New research suggests Solar Cycle 25 could be strongest in 50 years 13
- Did the historic solar minimum cause the pandemic? 157
- Question about the DST Index 23
- What role would a weaker magnetic field play during a large solar maximum? 4
- Bogus A4.3 Flare—2 July @ 1300z? 4
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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) |
| Spotless days | |
|---|---|
| Last 365 days | 308 days |
| 2020 | 150 days (77%) |
| Current stretch | 4 days |