E10.7 Solar Cycle 23 Trends
Solar cycle 23 trends are shown here using the 81-day average E10.7 index, which is based on coronal (F10.7) and chromospheric (MgII center-to-wing ratio) indices. This figure is updated daily. The color coding in the E10.7 daily values simply corresponds to the relative magnitude during this solar cycle, and the color scale is the same used in the E10.7 nowcast.
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