Viewing archive of Tuesday, 17 April 2018

Select the desired archive item

Coronal hole faces Earth

Solar activity has been pretty boring lately with no solar flares or sunspot regions really worth mentioning. A tiny region with a reverse magnetic polarity did appear a few days ago which likely belonged to the next solar cycle but it faded away pretty quickly. It is normal for sunspot regions from two solar cycles to overlap around solar minimum but it does show we are closing in on true solar minimum. This combined with the fact that we are hardly seeing any sunspots or flaring activity at the moment means this solar cycle might be a shorter than average cycle.

Read more

Current data suggests there is a slight possibility for aurora to appear at the following high latitude regions in the near future

Nuuk
Reykjavik
The maximum X-ray flux of the past two hours is:
C6.16

Latest news

Support SpaceWeatherLive.com!

A lot of people come to SpaceWeatherLive to follow the Sun's activity or if there is aurora to be seen, but with more traffic comes higher server costs. Consider a donation if you enjoy SpaceWeatherLive so we can keep the website online!

Donate SpaceWeatherLive Pro
Support SpaceWeatherLive with our merchandise
Check out our merchandise

Latest alerts

Friday, 11 April 2025
22:39 UTC - Solar flare

Moderate M1.05 flare

alert


22:24 UTC - Hemispheric Power Index

The OVATION model predicts the Hemispheric Power Index to reach 50GW at 23:16 UTC


22:24 UTC - Radio Blackout

Minor R1 radio blackout in progress (≥M1 - current: M1.05)


17:09 UTC - Solar flare

Moderate M1.08 flare

alert


16:51 UTC - Radio Blackout

Minor R1 radio blackout in progress (≥M1 - current: M1.04)


Get instant alerts!

Space weather facts

Last X-flare2025/03/28X1.1
Last M-flare2025/04/11M1.0
Last geomagnetic storm2025/04/06Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
March 2025134.2 -20.4
April 2025141.4 +7.2
Last 30 days137.1 -3

This day in history*

Solar flares
12001X2.9
22002M5.79
32013M4.79
42002M2
52000M1.96
DstG
12001-236G3
21990-174G4
31981-163G3
42014-87G1
51978-80G3
*since 1994

Social networks