Fig. 1: MAVEN EUVM instrument irradiance levels for the 15th of May 2024.
From: Martian ionospheric response during the may 2024 solar superstorm

Diode A measures the soft x-rays, whereas diode C is the Lyman-α emission line and is a proxy for EUV. Magenta line indicates the mutual RO observation time. Source data are provided as a Source Data file.