Global geomagnetic activity

The map below shows the estimated position of the auroral oval in the next 30 minutes based on solar wind data from DSCOVR. Locations at least 1.000 kilometers (600 miles) away from the oval will have a chance to see aurora towards the horizon. Note that this is a computer model which doesn’t take into account your local weather or the altitude of the Sun at your location. Use this model as a guide.

KP index


The Kp-index is a global auroral activity indicator on a scale from 0 to 9. You can use it as a guide to estimate how active the aurora is and at what latitude aurora might be visible. This graph is based on the USAF Wing Kp-index. The latest observed Kp-value comes from the most recently available magnetometer measurements and the currently predicted Kp-value is an estimate of what the Kp-index might be right now based on data from DSCOVR.

Real-time auroral activity

Below you will find the latest solar wind and interplanetary magnetic field data covering the past two hours as measured by the DSCOVR spacecraft. These parameters are the first parameters used to predict auroral activity. The redder the plots get, the better it is for auroral activity! With the current speed, it will take the solar wind 59 minutes to propagate from DSCOVR to Earth.


Kiruna Magnetogram

This magnetogram gives you the values measured by the ground station of Kiruna (Sweden, Europa). For European middle latitude auroral activity the deflection in the magnetometer data should be more than 1300nT. If you are not located in Europe, please consult a magnetometer near your location for a more accurate representation of the current geomagnetic activity.

Disturbance Storm Time index

The Disturbance Storm Time (Dst) index is a measure of geomagnetic activity used to assess the severity of geomagnetic storms. It is expressed in nanoTeslas and is based on the average value of the horizontal component of the Earth's magnetic field measured at four near-equatorial geomagnetic observatories. It measures the growth and recovery of the ring current in the Earth's magnetosphere. The lower these values get, the more energy is stored in Earth's magnetosphere.

Electron, Proton, and Alpha Monitor (EPAM)

The Electron, Proton, and Alpha Monitor (EPAM) particle instrument on the ACE satellite measures the low energy electrons and protons carried with the solar wind. This is a very useful tool to find out if a CME could be Earth-directed and when it might arrive.

Electron, Proton, and Alpha Monitor (EPAM)

Solar protons

This plot shows us the amount of high energy solar protons at Earth as measured by one of the GOES satellites. It can indicate if there was a significant eruption on the Sun. These high energy protons can cause all kind of problems here at Earth. Press "help" for more information.

Real-time solar activity

Sunspot regions

Solar Dynamics Observatory HMI Continuum
Sunspot number0
New regions0
10.7cm Solar Radio Flux68 -1
RegionNumber of
There are no sunspot regions on the earth-facing solar disc today
Regions due to return
Region Lat.
H-alpha plages without spots
Region Location

Solar flares

Events on the Sun today

Below you'll find an overview of the solar flares that occurred on the Sun today, arranged in order of time of occurrence. If there weren't any noteworthy events on the Sun, nothing will be displayed. For more data about the past days, months or years please look in our archive.

Region Start Maximum End
More events in the archive

Far side

Far side
STEREO Far side
Current data suggest that it is not possible to see aurora now at middle latitudes

Latest news

Today's space weather

Auroral activity Minor Severe
High latitude 25% 55%
Middle latitude 25% 5%
Predicted Kp max 5
Solar activity
M-class solar flare 1%
X-class solar flare 1%
Moon phase
Waxing Crescent


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Last X-flare:2017/09/10X8.2
Last M-flare:2017/10/20M1.0
Last geomagnetic storm:2018/03/19Kp5 (G1)
Number of spotless days in 2018:44
Current stretch spotless days:6

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*since 1994

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