Space weather

Explore observed solar conditions, Kp history, aurora forecasts, and their radio effects.

Current conditions

NOAA’s observed geomagnetic, radio-blackout, and solar-radiation scales, with source times.

The latest reported three-hour geomagnetic index intervals, with their original observation times.

NOAA’s northern and southern aurora outlooks. The image includes the provider’s issue and valid times.

A source-linked guide to NOAA scales, Kp, and the difference between observations and forecasts.

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