Aurora Forecast
Tonight's outlook
September 20: Activity will be low until around Sept 23rd when a high speed solar wind stream from a coronal hole starts to influence Earth. Decent aurora only possible if Bz is favorable (south) for a sustained period of time (~30 mins), likeliest around 11 PM. Keep an eye on our all-sky cameras for activity. Follow us on Instagram for latest updates. Your support is highly appreciated.
Probability of aurora
Real Time Space Weather Data
When the Bz value points south, aurora is active. Faster solar wind expands the auroral oval. Higher density leads to more colourful displays.
Solar Wind Speed
Bz value
Bt (total strength)
Solar wind density
Hemispheric Power
Disturbance storm time index (DST)
Auroral Activity
Leirvogur Magnetic Observatory
Record of measurements at Leirvogur for the past 6 hours. Learn more
Aurora tours
Aurora tour is the best way to catch Northern Lights in Iceland. By booking a tour below, you support this website.
Solar Activity
Sunspots
Solar flares
Coronal Holes
Coronal Mass Ejections
Kp-index Forecast
Short-term Kp-index forecast
The chart shows 3 day forecast of the Kp-index with hourly interval
Long-term Kp-index forecast
The chart shows the largest daily Kp-index value
