Live conditions from the Sun to Earth, with Earth's magnetic connection to the solar surface.
Flares show up as sudden jumps. Letters mark the flare class: A, B, C, M, then X for the strongest.
Energetic particles from the Sun. Radiation storms (S1 and above) begin when the ≥10 MeV flux reaches 10 pfu.
Where the solar wind reaching Earth most likely left the Sun, from tracing the magnetic field back from L1.
Measured about 1.5 million km sunward of Earth, roughly an hour before it arrives.
Three-hourly planetary Kp, with NOAA's forecast for the next three days. Kp 5 or more is a geomagnetic storm (G1).