What is solar weather?

Current activity on the Sun - flares, coronal mass ejections, solar wind speed, and geomagnetic storms reaching Earth's magnetic field.

Will I see aurora tonight?

The Kp index predicts it. Kp 5 or higher means aurora is likely at higher latitudes. The page shows live Kp and aurora forecasts.

Cooler, magnetically active regions on the Sun's surface. Higher sunspot counts indicate the Sun is near the peak of its 11-year cycle.

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Live conditions on the Sun and their effects on Earth

Imagery: NASA SDO & ESA/NASA SOHO. Data: NOAA Space Weather Prediction Center (SWPC). Updates every 10 minutes.