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The National Oceanic Atmospheric Administration’s ACE Solar Wind Speed & GOES Magnetometer strip chart displays the past 28 days of solar wind speed data from the NOAA’s Advanced Composition Explorer (ACE) satellite and the parallel components (HP)† from the two Geostationary Operational Environmental Satellites (GOES) 11 and 12 magnetometers. Solar wind speed is given in kilometers per second, and magnetometer readings are in nanoteslas.
Clicking on any given day of the chart will pop up a full-size image of the selected day.
† The HP component is perpendicular to the satellite orbit plane and HP is essentially parallel to Earth’s rotation axis.