The Live KP Index shows the current level of geomagnetic activity on Earth, updated continuously using data from global magnetometers and space weather satellites. This real-time value helps determine how strong the aurora activity is right now and how far south the northern lights may be visible.

The KP Index ranges from 0 to 9, where higher values indicate stronger geomagnetic storms and increased aurora visibility.
A Live KP Index of 5 or higher is classified as a geomagnetic storm and often means auroras can be seen far beyond the Arctic regions.

Kp 0–1 — Very Quiet

At Kp 0–1, geomagnetic activity is extremely low. The aurora is usually only visible far north, and even then only under perfectly clear and dark conditions. This level rarely produces strong displays.

Kp 2 — Low

Low aurora activity. Some weak aurora may appear in Northern Norway, but displays are typically faint and slow-moving.

Kp 3 — Moderate

Moderate activity. Aurora is possible in northern Norway, with a chance of visible arcs and slow movement under clear skies.

Kp 4 — Good

Good aurora conditions in Norway. Clear and active displays become likely, especially in northern regions.

Kp 5 — Very Good

A Kp of 5 indicates a minor geomagnetic storm. Aurora can be visible across much of Norway, including farther south than usual.

Kp 6 — Strong

Strong aurora activity across Scandinavia. Bright, dynamic displays are likely, with fast movement and widespread visibility.

Kp 7 — Extreme

Powerful auroral displays are likely. The Northern Lights may be visible across most of Scandinavia and potentially further south.

Kp 8 — Exceptional

Exceptional conditions. Aurora can reach well beyond northern Europe and becomes visible far to the south during severe geomagnetic storms.

Kp 9 — Rare

Rare and extreme geomagnetic storm conditions. Auroras may extend across Europe and deep into lower latitudes. These events occur only a few times per solar cycle.

Geomagnetic activity increases whenever Earth is struck by disturbances from the Sun. These can include high-speed solar wind streams, coronal holes that release fast-flowing particles, sudden solar flares, large eruptions known as Coronal Mass Ejections (CMEs), and full geomagnetic storms.

When these solar events reach Earth, they twist and stretch the planet’s magnetic field, releasing energy into the atmosphere—energy that ultimately creates the glowing auroras we see in the sky.

In short, the Kp index measures geomagnetic activity on a scale from 0 to 9, with higher values meaning the aurora can be seen further south.

In Arctic regions, even Kp 1–2 is enough for strong displays. However, Kp on its own doesn’t tell the whole story—real-time factors like Bz, solar wind speed, and cloud cover are often more important.

Use Kp to understand overall conditions, but rely on live data when planning your actual aurora hunt.