Information processing apparatus, client terminal, and program

An information processing apparatus comprising:

• a processor configured to:
• retrieve environmental information indicating an ultraviolet ray exposure amount indicating an amount of ultraviolet rays exposed to a user, a temperature of an environment where the user stays, and a humidity of the environment where the user stays;
• present first information relating to the skin condition of the user based on the environmental information;
• present second information relating to the skin condition of the user based on environmental log information including a plurality of environmental information;
• estimate a skin index of the skin condition of the user based on the environment log information;
• present the estimated skin index;
• and
• retrieve environmental prediction information indicating a prediction of a future environment, wherein
• the processor estimates the skin index based on the environmental log information and the environmental prediction information.