Wednesday, 17 October 2018 19:49 UTC

The NOAA SWPC has issued a minor G1 geomagnetic storm watch for this Friday, 19 October.
This is likely due to the fact that a small southern extension of the northern hemisphere polar coronal hole is facing our planet today as you can see on our header image which comes from NASA's Solar Dynamics Observatory.
This same coronal hole did briefly cause minor G1 geomagnetic storm conditions last month but compared to the last rotation, this southern extension diminished in size and we doubt that G1 storm conditions are possible this time around. Nonetheless it is something to keep an eye out in the days ahead if you are a sky watcher at a high latitude location.
Thank you for reading this article! Did you have any trouble with the technical terms used in this article? Our help section is the place to be where you can find in-depth articles, a FAQ and a list with common abbreviations. Still puzzled? Just post on our forum where we will help you the best we can!
A lot of people come to SpaceWeatherLive to follow the Solar activity or if there is a chance to see the aurora, but with more traffic comes higher costs to keep the servers online. If you like SpaceWeatherLive and want to support the project you can choose a subscription for an ad-free site or consider a donation. With your help we can keep SpaceWeatherLive online!
| Last X-flare | 2025/12/01 | X1.9 |
| Last M-flare | 2025/12/06 | M8.1 |
| Last geomagnetic storm | 2025/12/04 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 175.4 +83.6 |
| Last 30 days | 107.3 +14.6 |